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Invited Talks & Presentations

Ted Talk: “Changing the World Takes More than Hard Work.”

TedX RVA June 12, 2017. 


University Commencement Address: December 15, 2023

Invited Presentations

Keynote Invitations

  1. Invited Plenary Keynote, Pruden, A., (2025). Leveraging Environmental Dimensions of Antimicrobial Resistance to Mitigate its Spread. International One Health Symposium, Hotel Berlin, Berlin, Germany, Oct 13-15.
  2. Invited Plenary Keynote, Pruden, A. (2025). A Comprehensive Strategy to Mitigate AMR Informed by Omics-Based Environmental Surveillance. Antimicrobial Resistance Conference, Purdue University, West Lafayette, IN, Feb 25-26.
  3. Invited Plenary Keynote by Pruden, A. (2024). The Water Sector and the Slow Pandemic of Antimicrobial Resistance. International Water Association World Water Congress (IWA WWC), August 10-14, Toronto, Canada.
  4. Invited Keynote Presentation by Pruden, A. (2024). Promise and Limitations of Integrated Metagenomics-Based Surveillance of Pathogens and Antimicrobial Resistance (AMR). Microbes in Wastewater. January 18-19. Laguna Beach, CA.
  5. Invited Keynote Presentation by Pruden, A. (2023). Metagenomics as a Platform for Convergent Disease Surveillance. National Science Foundation Workshop on “Human, Engineering, and Scientific Aspects of Disease Transmission in Natural and Built Environments.” October 16-17. Arlington, VA.
  6. Invited Keynote Presentation by Pruden, A. (2022) Antimicrobial Resistance as a Global Challenge in the Water Sector. Ohio State University Infectious Disease Institute 4th Annual Meeting. October 13, Columbus, OH.
  7. Keynote Speaker and Panelist, Pruden, A. Convergence at the Interfaces of Policy, Data Science, Environmental Science, and Engineering to Combat the Spread of Antimicrobial resistance. Association of Environmental Engineering and Science Professors (AEESP) Biennial Conference, 28-30 June, St. Louis, MO (2022)
  8. Keynote Speaker, Pruden, A. Advancing Sustainability and Protecting Public Health from Microbial Threats through a One Water Lens. First IITM International Conference on Circular Economy for Sustainable Water Management (SuWaM-2022), IIT-Madras (online), March 23 (2022)
  9. Keynote Lecture by Pruden, A. Identifying critical management points for mitigating the spread of antimicrobial resistance using ‘omics-based approaches. 5th Environmental Dimension of Antibiotic Resistance (EDAR), University of Hong Kong, Hong Kong June 9-14 (2019).
  10. Plenary Keynote Lecture by Pruden, A. Antimicrobial Resistance: From Urban Wastewater Treatment Plants to the Environment.XENOWAC II.  Limassol, Cyprus, Oct 10-12 (2018).
  11. Plenary Keynote Lecture by Pruden, A. Metagenomic Insight into Preventing the Spread of Antibiotic Resistance from Farm to Fork.One Health & Food Safety Congress 2018.  Bonn, Germany, Sept. 19 (2018).
  12. Plenary Keynote Lecture by Pruden, A.  Metagenomic Insight into Pathogens and Antibiotic Resistance in the Indoor Environment. Indoor Air.  July 22-27, Philadelphia, PA (2018).
  13. Plenary Keynote Lecture by Pruden, A. Critical Control Points for Preventing the Spread of Antibiotic Resistance from Cattle Manure to Fresh Produce.World Congress on Animal Production.  Vancouver, BC, Canada, July 5-12 (2018).
  14. Plenary Lecture by Pruden, A. Antibiotic Resistance in the Water Environment: What Do We Monitor? What Do We Mitigate?” Gordon Research Conference.  Environmental Science: Water.  Holderness, NH, June 24-29 (2018).
  15. Plenary Keynote by Pruden, A. ARGs as Contaminants of Emerging Concern: Towards Actionable Policy.  International Water Association (IWA) Leading Edge Technology (LET) Conference, May 27-30, Nanjing, China (2018).
  16. Plenary Keynote by Pruden, A. A One Water Framework for Mitigating the Spread of Antibiotic Resistance Through the Urban Water Cycle. UNC Water Microbiology Conference, May 22-24, UNC Chapel-Hill (2018).
  17. Invited Plenary Lecture by Pruden, A. Role of Biofilms in Legionella Proliferation and Control. Managing Legionella and Other Pathogens in Building Water Systems. National Sanitation Foundation Legionella Conference, May 9-11, Baltimore, MD (2018).
  18. Symposium Keynote by Pruden, A. Critical Control Points for AMR from Farm to Fork. 29th Annual Virginia-Maryland Veterinary College of Medicine Research Symposium, March 15 (2018).
  19. Keynote Lecture by Pruden, A. ARGs as Pollutants in Wastewater and Recycled Water November 30, Shenzhen China International Symposium on Antimicrobial Resistance in Environment (ISARE), Shenzhen, China- November 30 (2017).
  20. Invited Plenary by Pruden, A. Towards Prebiotic/Probiotic Control of the Microbiome in Built Environment Water Systems. Alfred P. Sloan Foundation, National Academy of Sciences, Washington, D.C. Oct 10-12 (2017).
  21. Keynote Lecture by Pruden, A. Advancing a Framework for Prebiotic/Probiotic Control of Legionella in Distribution Systems and Building Plumbing Legionella 2017, September 26-30, Rome, Italy (2017).
  22. Keynote Lecture by Pruden, A. Answering the Call: The Need for Modern Academics to Step up as Leaders in Addressing our Failing Water Infrastructure. Engineering Sustainability Conference, April 9-11, Pittsburgh, PA (2017)
  23. Keynote Lecture by Pruden, A. Antibiotic Resistance at the Nexus of Sustainable Water Infrastructure and Public Health.Changing Paradigms of Wastewater Treatment: From Waste to Resource. King Abdullah University of Science and Technology, Saudi Arabia March 27-29 (2017).
  24. Invited Plenary Lecture by Pruden, A. Antibiotic Resistance at the Nexus of Sustainable Water Infrastructure and Public Health. NSFC Environmental Processes and Risks of Chemical contaminants.  November 30-December 2, Institute for the Urban Environment, Xiamen, China (2016).
  25. Keynote Lecture by Pruden, A. Antimicrobial Resistance in Wastewater Treatment Plants: A Call to Action. International Water Association Specialty Group on Microbial Ecology and Water Engineering. Sept. 4-6, Copenhagen, Denmark (2016)
  26. Invited Plenary Lecture by Pruden, A. Synergizing Water Sustainability and Public Health: Antibiotic Resistance and Opportunistic Pathogens in Recycled Water. International Water Association Leading Edge Technology Conference (LET 2016), June, Jerez de la Frontera, Spain (June 13-16, 2016).
  27. Invited Plenary Lecture by Pruden, A. Understanding Design Impacts on Water Quality and Legionella: Lessons Learned from Flint, MI and Green Building Water Systems. 4th Annual Smart Water Leadership Summit, Phigenics, Charlotte, NC. April 26 (2016).
  28. Invited Plenary Lecture by Pruden, A. How do We Combat Antibiotic Resistance? Human Progress and the Laws of Nature. Fate of the Earth Symposium, Michigan State University, Lansing, MI. April 1-3 (2015)
  29. Keynote Lecture by Pruden, A. A Clash of Policy and Paradigm: Antibiotic Resistance Genes as Environmental Contaminants. American Chemical Society National Meeting.  San Francisco, CA.  Aug 10-14 (2014).
  30. Keynote Lecture by Edwards, M., Pruden, A., Proctor, C.*, Rhoads, W.*, Williams, K.*, Martin, A.*, Hupp, R.*, Wang, H.* Addressing the waterborne disease challenges of the 21st century with applied biology and chemistry: Opportunistic premise plumbing pathogens.  American Chemical Society National Meeting.  San Francisco, CA.  Aug 10-14 (2014).
  31. Keynote Lecture by Pruden, A. Antibiotic Resistance Genes (ARGs) as Environmental Pollutants: Challenges and Opportunities. USDA NIFA Sponsored Workshop on Antibiotic Resistance in Agroecosystems: State of the Science (ARASOS).  Biosphere II Conference Center, AZ.  Aug 5-7 (2014).
  32. Keynote Lecture by Edwards, M., Pruden, A., Ji, P.*, and W. Rhoads*.  U.S. Water Use and Opportunistic Premise Plumbing Pathogens (OPPPs):  Water Use in the U.S. – Balancing Needs and Conservation.  Water Safety in Healthcare Workshop, Veterans Health Administration National Infectious Diseases Service. Cincinnati, OH. June 24 (2014).
  33. Keynote Lecture by Edwards, M., A. Pruden, W. Rhoads* and K. Chittaladakorn*. Plumbing at the Nexus of Energy Conservation, Water Conservation and Public Health.  Keynote to Plumbing Manufacturers Institute (PMI) National Meeting.  Charleston, SC. March 3, (2014).
  34. Keynote Lecture by Pruden, A. Implications of Sustainable Water Systems on Antibiotic Resistance. Environmental Dimensions of Antibiotic Resistance.  December 5-8, Xiamen, China (2013).
  35. Invited Plenary Lecture by Pruden, A. Tracking Antibiotic Resistance Genes (ARG) as Emerging Environmental Contaminants in the Cache La-Poudre River Watershed, National Groundwater Association (NGWA) 6th International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, October 22-23, Costa Mesa, CA (2007).

Speaker Invitations

  1. Invited Workshop Speaker, Pruden, A. (2025). Identifying Critical Control Points for Antimicrobial Resistance Propagation from Farm-to-Fork Using Metagenomics. MR co-selection at the food:environmental interface. Expert Workshop Sponsored by the Food and Agriculture Organization (FAO). November 10-14. Hangzhou, China
  2. Invited Seminar Speaker, Pruden, A. (2025). Opportunistic Pathogens and Antibiotic Resistance in Water Reuse and Drinking Water Systems. Department of Environmental and Ecological Engineering, Purdue University, West Lafayette, IN, Feb. 25.
  3. Invited Workshop Speaker, Pruden, A. (2024). Mapping antimicrobial resistance in reclaimed water distribution systems using an ‘omics approach. Antimicrobial Resistance and Water Reuse Workshop, sponsored by the Organization for Economic Co-operation and Development (OECD). Oct 22-24. Dijon, France.
  4. Invited Speaker, Pruden, A. (2024). Promise and Limitations of Integrated Metagenomics-Based Surveillance of Pathogens and Antimicrobial Resistance (AMR). Invited Oral Presentation, CDC Thematic Session on Wastewater Surveillance in High Income Countries. UNC Water and Health Conference, Chapel Hill, NC, U.S.A. Oct. 14-18.
  5. Invited Seminar Speaker, Pruden, A. (2024). Tracking Sewage-Borne Antibiotic Resistance. Carilion Clinic Research Seminar, Roanoke, VA, Sept. 18.
  6. Invited Award Symposium Speaker, Pruden, A. (2024). Harnessing Microbial Ecology to Mitigate AMR and Opportunistic Pathogens. International Society of Microbial Ecology (ISME) Biennial Meeting, Cape Town, South Africa. Aug 19.
  7. Invited Award Symposium Speaker, Pruden, A. (2024). Harnessing Microbial Ecology to Mitigate AMR and Opportunistic Pathogens. International Water Association World Water Congress, Toronto, Canada. Aug 14.
  8. Invited Seminar Speaker, Pruden, A. (2024). Harnessing ‘Omics to Inform Strategies to Mitigate the Spread of Pathogens and Antimicrobial Resistance as a One Water Challenge.  Seminar to the Public Utility Board (PUB) of Singapore, National University of Singapore (NUS), and National Technical University (NTU) of Singapore, June 18, 2024.
  9. Invited Webinar Speaker, Pruden, A. (2024). Wastewater-based surveillance of antimicrobial resistance: Challenges and Opportunities. U.S. Food and Drug Administration (FDA) Human Health Service (HHS). June 4. (online)
  10. Invited Speaker, Pruden, A. (2024). Antibiotic resistance genes (ARGs) as environmental contaminants: Where are we now? 7th Environmental Dimensions of Antimicrobial Resistance (EDAR) Montreal, Canada. May 26-31.
  11. Invited Webinar Speaker, Pruden, A. (2023). Wastewater-based surveillance of antimicrobial resistance: Challenges and Opportunities. Canadian Public Health Agency’s Wastewater Surveillance Community of Practice. December 14. (online)
  12. Invited Workshop Speaker, Pruden, A. (2023). Opportunities and limitations of metagenomics for wastewater-based surveillance of AMR. Wastewater-based surveillance at GenEpi-BioTrain course. November 29. Broadcast to audience in Copenhagen, Denmark.
  13. Invited Speaker, Pruden, A. (2023). Promise and Limitations of Metagenomic Surveillance to Inform Policy and Practice for Combating the Spread of AMR. World Antimicrobial Resistance Awareness Week.  November 20-21. Berlin, Germany.
  14. Invited Colloquium Speaker, Pruden, A. (2023). A Water Systems Approach to Tackling Antimicrobial Resistance (AMR). Virginia Tech Water Colloquium. November 9-10. Blacksburg, VA.
  15. Invited Webinar Speaker, Pruden, A. (2023). The use and development of wastewater-based epidemiology in the future. Wastewater-based surveillance as pandemic preparedness tool (WastPan). October 26. Broadcast to audience in Helsinki, Finland.
  16. Invited Conference Speaker, Pruden, A. (2023). Role of the Environment in Antibiotic Resistance. Infectious Disease (ID)-Week. October 9-14. Boston, MA.
  17. Invited Summit Speaker, Pruden, A. (2023). Monitoring Antibiotic Resistance Through Wastewater: Challenges and Opportunities. WW Disease Surveillance Summit @ WEFTEC. October 1. Broadcast to Chicago, IL.
  18. Invited Workshop Speaker, Pruden, A. (2023). Balancing public health surveillance with sewer services: Managing microbes as contaminants, catalysts, and data. September 10-14. International Water Association Microbial Ecology and Water Engineering (IWA-MEWE) Conference. Brisbane, Australia.
  19. Invited Conference Speaker, Pruden, A. (2023). Overview of UNEP Report: Bracing for Superbugs: Strengthening environmental action in the One Health response to antimicrobial resistance. National PhD Training Prog in AMR Research Annual Conference. August 5. Broadcast to London, UK.
  20. Invited Forum Speaker, Pruden, A. (2023). Occurrence and Removal of Antibiotic Resistant Bacteria (ARB) and Resistance Genes (ARGs) in Waters. Webinar presentation to the UK Disinfection Forum, a consortium of 15 UK Water Utilities. May 24. Swindon, UK.
  21. Invited Webinar Speaker, Pruden, A. (2023). Wastewater – Based Surveillance of Antimicrobial Resistance. American Public Health Laboratories (APHL) Wastewater Surveillance Monthly Call. May 8.
  22. Invited Public Meeting Speaker, Pruden, A. Overview of UNEP Report:Bracing for Superbugs: Strengthening environmental action in the One Health response to antimicrobial resistance. Presidential Advisory Council on Combating Antibiotic Resistant Bacteria (PACCARB) Public Meeting, March 23-24, Washington, D.C. (2023).
  23. Invited Presentation by Pruden, A. (2023). Source to tap assessment of Microbial Water Quality in Small Systems in PR: 6 months after Maria. 14th CECIA-IAUPR Biennial Symposium on Potable Water Issues in Puerto Rico: Science, Technology and Regulation, Feb 16-17, Puerto Rico.
  24. Invited Speaker, Pruden, A. (2022). Antimicrobial Resistance in Food Production Ecosystems: Effects of Management Practices.  7th World One Health Congress. Singapore, November 7-11.
  25. Invited Webinar Speaker, Pruden, A. (2022). Wastewater-based surveillance of antimicrobial resistance. NSF RCN Wastewater-Based Epidemiology Webinar Series, Nov 4, 2022. https://sites.nd.edu/rcn-wastewater-sarscov2/past-webinar-recordings/
  26. Invited Speaker, Pruden, A. Metagenomic monitoring of antibiotic resistance in recycled water contexts. Understanding and Mitigating the Use of Treated Wastewater in Agriculture: Risk and Policy (TreWAG) Kibbutz Hagroshrim, Israel, October 22-27 (2022).
  27. Invited Speaker, Pruden, A. (2022). Coordinating Local and Global Wastewater-based Surveillance of AMR: Thoughts and Considerations. 6th International Symposium on the Environmental Dimensions of Antimicrobial Resistance. Sept 22-27, Gothenburg, Sweden.
  28. Invited Speaker, Pruden, A. (2022). Pathways and Barriers to the Spread of Antibiotic Resistance Genes in the Environment. International Society of Microbial Ecology-18, August 14-19, Lausanne, Switzerland.  
  29. Invited Seminar, Pruden A. (2022). Towards Universal Strategies for Opportunistic Pathogen Control in Premises Plumbing.  August 17, 2022, EAWAG, Zurich, Switzerland.
  30. Invited Speaker and Panelist, Pruden, A. AMR and Climate Change. ONE – Health, Environment & Society – Conference 2022, Brussels (Belgium) and online, 21-24 June (2022)
  31. Invited Virtual Seminar Presentation by Pruden, A. Harnessing ‘Omics to Inform Strategies to Mitigate the Spread of Antimicrobial Resistance as a One Water Challenge. University of Waterloo, WaterTalk Seminar Series, January 20, Waterloo, Ontario, Canada (2022).
  32. Invited Workshop Lecture by Pruden, A. AMR and the Environment: Moving Towards Globally-Coordinated Surveillance. US-Singapore Third Country Training Program, Oct 11 (2021).
  33. Invited Conference Presentation by Pruden, A. Wastewater-based epidemiology for surveillance of antimicrobial resistance: A way forward. Testing the Waters 5 (TTW5) (virtual hybrid conference), Sept 28-Oct 1, Brisbane, Australia (2021).
  34. Invited Webinar by Pruden, A. Detecting antibiotic resistance evolution in wastewater: A way forward for environmental surveillance. Online broadcast sponsored by The Scientist: Understanding our Enemies: Identifying Mechanisms of Antimicrobial Resistance, Sept. 28 (2021).
  35. Invited Webinar by Pruden, A. Towards coordinated local and global surveillance of antibiotic resistance at wastewater treatment plants. Webinar sponsored by Establishing a Monitoring Baseline for Antimicrobial Resistance (EMBARK), Sept. 1, 2021. https://antimicrobialresistance.eu/
  36. Invited Conference Presentation by Pruden, A. Risk Assessment for AMR in Natural and Human Environments. American Chemical Society (ACS) (hybrid conference), August 22-26, Atlanta, Georgia (2021).
  37. Invited Discussion Panelist, Pruden, A. CDDEP Webinar on One Health, August 11 (2021)
  38. Invited Conference Presentation by Pruden, A. Risk Assessment for AMR in Natural and Human Environments. European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) (virtual conference), July 9-12, Vienna, Austria (2021).
  39. Invited Presentation by Pruden, A. Informing Policy & Practice for Combating AMR Through Surveillance of Water and Wastewater Environments. Invited presentation to the Presidential Action Committee on Combating Antibiotic Resistant Bacteria (PACCARB). June 30 (2021).
  40. Invited Panel Discussion- Pruden, A., Wigginton, K., Pinto, A. The Bugs You Thought You Knew and the Ones You Never Thought About. Water Research Foundation Paul L. Busch Fireside Chat. June 30 (2021).
  41. Invited Webinar by Pruden, A. Manipulating Treatments, Water Chemistry, and System Design to Limit Proliferation of Pathogens and Antibiotic Resistance in Water Systems: A Microbiome Perspective. Invited Center for Emerging and Zoonotic Pathogens (CEZAP) seminar speaker. March 2, Virginia Tech, Blacksburg, VA (2021).
  42. Invited Webinar by Pruden, A. Manipulating Treatments, Water Chemistry, and System Design to Limit Proliferation of Pathogens and Antibiotic Resistance in Water Systems: A Microbiome Perspective. Invited SURF seminar speaker. March 8, EAWAG, Switzerland, (2021).
  43. Invited Webinar by Pruden, A. Advancing Next Generation DNA Sequencing for Water Quality Monitoring: Antibiotic Resistance and Opportunistic Pathogens. Johns Hopkins University, November 10, (2020).
  44. Invited Webinar by Pruden, A. Advancing next-generation DNA sequencing for water quality monitoring. Virginia Tech Life Science Seminar, October 16, Blacksburg, VA (2020).
  45. Invited Webinar by Pruden, A. Metagenomic-enabled monitoring of pathogens and antibiotic resistance in water and wastewater.  “Fermentation” Seminar, July 14, Rutgers, NJ (2020).
  46. Invited Lecture by Pruden, A. Towards Bioinformatically-Informed Engineered Water Systems for Combatting the Spread of Antibiotic Resistance (and pathogens).  Genetics, Bioinformatics, and Computational Biology (GBCB) Seminar, February 26, Virginia Tech, (2020).
  47. Invited Lecture by Pruden, A., Blair, Matthew F., Vaidya, Ramola, Bott, C., Salazar-Benites, Germano. Metagenomic Insights into Contaminant Removal by Ozone/BAC-Based Treatment. AWWA International Symposium on Potable Reuse, February 10-11, Atlanta (2020).
  48. Invited Lecture by Pruden, A. Bridging Environmental Engineering and Public Health in the Metagenomic Era: Antibiotic Resistance and Opportunistic Pathogens. Women in Geosciences, February 5, Virginia Tech (2020).
  49. Invited Lecture by Pruden, A., Oh M, Garner ED, Zhang L. Metagenomic Approaches to Advancing Relative Resistome Risk Assessment. Society for Risk Analysis, December 8-12, Arlington, VA (2019).
  50. Invited Lecture by Pruden, A., Chen, C., Wind, L., Keenum, I. M., Ray, P., Liang, X., . . . Zhang, L. Q. Metagenomic Tracking of Antibiotic Resistance Genes from Farm to Fork. In ASA-CSSA-SSSA International Annual Meeting, November 10-14, San Antonio, Texas. (2019).
  51. Invited Lecture by Pruden, A. Waterborne microbiomes: bridging the gap between environmental and public health. Banbury Meeting on Microbiology of the Built Environment November 3-6, The Banbury Center, Lloyd Harbor, New York (2019).
  52. Invited Lecture by Pruden, A. Metagenomics for Legionella Control. 6th Meeting of the ESGLI Study Group for Legionella Infections. September 10-13, Athens, Greece (2019)
  53. Invited Symposium Speaker, Pruden, A., Rhoads, W.J., Davis, B., Keenum, I.M., Garner, E.D., Riquelme, M.V., Pieper, K.J., and Edwards, M.E.   Monitoring Microbiological Indicators of Risk During Disaster Response and Recovery: Flint, Maria, and Beyond. 13th CECIA-IAUPR Biennial Symposium on Potable Water Issues in Puerto Rico: Science, Technology, Inter American University of Puerto Rico, February 13-14, San Juan, Puerto Rico (2019).
  54. Invited Panel Speaker, Pruden, A. Emerging Contaminants. Michigan Drinking Water Workshop. Michigan Environment Council. University of Michigan, Dec 6, Ann Arbor, MI (2018).
  55. Invited Symposium Speaker, Pruden, A. Tracking AMR from agroecosystems to fresh produce. Symposium on Minimizing the Risk of Antimicrobial Resistance from Food Animal Production, New York Academy of Sciences (NYAS), Sept 28, New York, NY (2018).
  56. Invited Public Meeting Speaker, Pruden, A. Environmental assessment and analysis for control of antibiotic resistance in the environment. Presidential Advisory Council on Combating Antibiotic Resistant Bacteria (PACCARB) Public Meeting, Sept 27, Columbus, OH (2018).
  57. Invited Panel Speaker, Pruden, A. A Microbiome Perspective on Antibiotic Resistance and Pathogens in Water Systems. 10th International Conference on Emerging Infectious Diseases, Panel on Microbiome: Pathology, Ecology, Epidemiology. August 26-30 Atlanta, GA (2018).
  58. Invited Seminar by Pruden, A. Towards Risk Assessment, Monitoring, and Mitigation of Antibiotic Resistance Genes in Water Systems.  Indian Institute of Technology (IIT) Madras, June 6 Chennai, India (2018).
  59. Invited Panelist, Pruden, A. Side Event Panel: When is it Safe? Best Practices and Novel Approaches to Waterborne Pathogen Environmental Remediation. UNC Water Microbiology Conference, May 22-24, UNC Chapel-Hill (2018).
  60. Invited Seminar by Pruden, A. Critical Control Points for AMR from Farm to Fork. University of Minnesota Vet School, March 8 (2018).
  61. Invited Seminar by Pruden, A. Tracking Antibiotic Resistance Genes through the Full Water Cycle. Northwestern University, Evanston, IL February 2 (2018).
  62. Invited Seminar by Pruden, A. Critical Control Points for AMR from Farm to Fork. Workshop on Management and Control of Antibiotics and Antibiotic Resistance in Environment. Beijing, China Dec. 4-6 (2017).
  63. Invited Lecture by Pruden, A. Antibiotic Resistant Bacteria (ARBs) and Antibiotic Resistance Genes (ARGs), Presentation to the Constituents of Emerging Concern Science Advisory Panel for Recycled Water, Southern California Coastal Water Research Project (SCCWRP), July 19-21, Costa Mesa, CA (2017).  
  64. Invited Lecture by Rhoads, W.J., Ji, P., Edwards, M.A., Pruden, A. Water Age, Legionella, and NT mycobacteria. American Industrial Hygiene Conference and Exposition. Seattle, WA, June 6 (2017).
  65. Invited Lecture by Pruden, A. Antibiotic Resistance as an Environmental Contaminant: Balancing Water Sustainability & Public Health Goals. State University of New York, Syracuse Environmental Science and Forestry (ESF) April 26 (2017).
  66. Invited Lecture and Panel Discussant, Pruden, A. Flint, Two Years Later, Water Quality, Infrastructure and Social Justice, University of Virginia World Water Panel, April 13 (2017).
  67. Invited Lecture by Pruden, A. Microbiome-Enabled Tools bring New Insight into What’s in our Water: Implications for Public Health and Sustainability of our Future Water Infrastructure. Water 2025, VA AWWA Richmond, VA, March 15 (2017).
  68. Invited Lecture by Rhoads, WJ; Pruden, A; Edwards, MA. Water Quality Considerations In Green Building Design. Presented at ACEE Hot Water Forum, February 27, Portland, OR (2017).
  69. Invited Lecture by Rhoads, WJ; Pruden, A; Edwards, MA. Potential for flow rate to impact growth of Legionella in building plumbing. Presented at ACEE Hot Water Forum, February 27, Portland, OR (2017). 
  70. Invited Lecture by Rhoads, WJ; Garner, E; Zhu, J; Ji, P; Schwake, DO; Parks, J; Pruden, A; Edwards, MA. Legionnaires’ disease in Flint, MI: Lessons Learned. Presented at ACEE Hot Water Forum, February 27, Portland, OR (2017). 
  71. Invited Lecture by Pruden, A., Antibiotic resistance genes in recycled water: Harmonizing challenges in sustainable water infrastructure and public health. Arizona State University, Tempe, AZ, February 2, (2016).
  72. Invited Lecture by Pruden, A. Water Infrastructure and Plumbing Management Impacts on Microbiology of the Built Environment and Public Health Implications, National Council for Science and the Environment: Integrating Environment and Public Health, January 24, 2017.
  73. Invited Lecture by Pruden, A. Antibiotic Resistance as an Emerging Environmental Contaminant: Balancing water sustainability and public health goals. November 29, University of Hong Kong, Hong Kong (2016).
  74. Invited Lecture by Pruden, A., Ji, P., Dai, D., Garner, E., Rhoads, W., Zhu, N., and Edwards, M.A Probiotic/Prebiotic Framework for Control of Opportunistic Pathogens and Antibiotic Resistance in Premise Plumbing. Presented at the AWWA Water Quality Technology Conference (WQTC), Nov. 14-18, Indianapolis, IN (2016).
  75. Invited Lecture by Pruden, A. Lead and Legionella: How Lessons Learned from Flint MI Can Improve Water Infrastructure and Protect Public Health.Michigan State University, Nov. 11 (2016)
  76. Invited Lecture by Pruden, A. Antibiotic Resistance as an Emerging Environmental Contaminant: Balancing water sustainability and public health goals. Michigan State University, Nov. 10 (2016)
  77. Invited Panel Presentation by Pruden, A. Water Reuse: Optimizing Distribution System Management and Addressing Antibiotic Resistance Concerns. Presented at the Water Reuse Symposium, Increasing Safe and Reliable Water Supplies, Tampa, FL, Sept. 12 (2016).
  78. Invited Lecture by Pruden, A., Rhoads, W.R., Ji, P., Dai, D., Garner, E.D., and Edwards, M. Building Plumbing Design Shapes Water Microbiome: An important Source of Indoor Air Microbes, Indoor Air, Ghent, Belgium, July 7, 2016.
  79. Invited Lecture by Pruden, A. Microbiome Reconnaissance in Water Infrastructure: Metagenomics, Legionella, Corrosion, and the Future. 3rd Annual Alfred P. Sloan Foundation Microbiology of the Built Environment Annual Meeting, Boulder, CO, June 1-3, 2016.
  80. Invited Lecture by Pruden, A. Antimicrobial Resistance in the Urban Water Cycle. Special Session on the Urban Water Cycle Microbiome. American Society for Microbiology Microbe2016, June 16-18, Boston, MA (2016).
  81. Invited Seminar by Edwards, M. and Pruden, A. The Building Plumbing Microbiome. Hosted by the Alfred P. Sloan Foundation, New York, NY April 13 (2016).
  82. Invited Lecture by Pruden, A. Understanding Microbiomes in Water.  Presentation to the National Academies of Science (NAS), Committee on Microbiomes of the Built Environment, from Research to Application, April 11, Washington, DC (2016).
  83. Invited Lecture by Pruden, A., Edwards, M.A., Salveson, A., Garner, E*. Antibiotic Resistance and Water Sustainability: Protecting Public Health in a Changing World. ES&T@50 Special Session at the American Chemical Society Annual Meeting in honor of the 50 year anniversary of Environmental Science & Technology, March 13-17, San Diego, CA (2016).
  84. Invited Lecture by Pruden, A. Mitigating the Spread of Antibiotic Resistance through Wastewater Treatment. Metropolitan Water of Chicago, Nov. 20, Chicago, IL (2015).
  85. Invited Lecture by Pruden, A. Overview of Opportunistic Pathogens in Premise Plumbing. Presented at the AWWA Water Quality Technology Conference (WQTC), Nov. 15-19, Salt Lake City, UT (2015).
  86. Invited Lecture by Ji, P.*, Rhoads, W.R.*, Pruden, A., Edwards, M.A. Beyond Reconnaissance of the Premise Plumbing Microbiome.  Alfred P. Sloan Foundation Annual Conference on the Microbiology of the Built Environment, July 15-17, Boulder, CO (2015).
  87. Invited Plenary by Pruden, A., Dai, D.*, Rhoads, W.J.*, Ji, P.*, and Edwards, M.A. Metagenomics of Indoor Plumbing. International IDEXX Forum on Pathogen Risk Management and Control in Building Water Systems. May 20, Portland, ME (2015).
  88. Invited Lecture by Pruden, A. Mitigation Strategies for Environmental Sources of Antibiotic Resistance. Environmental Dimensions of Antibiotic Resistance (EDAR).  May 17-21, Wernigerode, Germany (2015).
  89. Invited Seminar by Pruden, A., Water Infrastructure Choices and their Microbiological Consequences: Antibiotic Resistance and Opportunistic Pathogens. Michigan State University Department of Plant and Soil Sciences and Microbial Ecology Group, Lansing, MI April 3, 2015.
  90. Invited Platform Presentation by Pruden, A., Edwards, M.A., Rhoads, W.R.*, Proctor, C.R.*, and Ji, P*. Limiting Occurrence of Opportunistic Pathogens in Premise Plumbing through Engineering Controls. Presented at the AWWA Annual Conference and Exhibition (ACE) 14, June 8-12, Boston, MA (2014).
  91. Invited Session Chair and Introductory Presentation, by Pruden, A. Unconventional Contaminants, Gordon Conference, Holderness School, NH, June 22-27, (2014).
  92. Invited Lecture by Rhoads, W.R.*, Pruden, A., Edwards, M.A., and Ji, P*.  Engineering the Plumbing Microbiome.  Alfred P. Sloan Foundation Annual Conference on the Microbiology of the Built Environment, June 5-8, Boulder, CO (2014).
  93. Invited Symposium Presentation by Pruden, A. The nexus of sustainable water infrastructure and public health: Can microbiome research reveal new ways to keep antibiotics working? American Association for the Advancement of Science (AAAS) Symposium on the Built Environment, March 27, Washington D.C. (2014).
  94. Invited Seminar by Pruden, A. Implications of Sustainable Water Systems on Antibiotic Resistance. Marquette University, March 3, Milwaukee, WI (2014).
  95. Invited Seminar by Pruden, A. Implications of Sustainable Water Systems on Antibiotic Resistance. King Abdullah University of Science and Technology (KAUST), February 9, Jeddah, Saudi Arabia (2014).
  96. Invited Seminar by Pruden, A. Water Infrastructure Choices and their Microbiological Consequences: Antibiotic Resistance and Opportunistic Pathogens. Duke University, November 19, Durham, NC (2013).
  97. Invited Symposium Presentation by Pruden, A., Fahrenfeld, N.*, Knowlton, K.F., Arabi, M. Environmental Pathway of Antibiotic Resistance: Where will it lead us?  American Society of Agronomy, Crop Science Society of America, & Soil Science Society of America Annual Meeting.  November 3-6, Tampa, FL (2013).
  98. Invited Symposium Presentation by Pruden, A, Edwards, M.A., Zhang, Y., and Wang, H.* Biostability and nitrification in drinking water. Water Quality Technology Conference (WQTC), November 3-6, Long Beach, CA (2013).
  99. Invited Workshop by Pruden, A. What’s the Big Deal about Antibiotic Resistance in Wastewater: What we Know, What we Don’t Know, and What we Can do About it.  Water Environment Research Foundation (WERF), October 16, Alexandria, VA (2013)
  100. Invited Seminar by Pruden, A. Water Infrastructure Choices and their Microbiological Consequences: Antibiotic Resistance and Opportunistic Pathogens. Washington University, September 27, St. Louis, MO (2013).
  101. Invited Seminar by Pruden, A. and Hong, W. Nexus of Water Sustainability and Public Health: Antibiotic Resistance Genes. Tongji University, June 18, Shanghai, China (2013).
  102. Invited Seminar by Pruden, A. Harnessing the microbiome to address emerging challenges in water sustainability, infrastructure, and public health. Tongji University, June 6, Shanghai, China (2013).
  103. Invited Presentation by Pruden, A., Edwards, M.A., Patel, A., and Pearce, A.R.What in the World is Premise Plumbing? Fact & fiction on what lives and corrodes in our drinking water systems. Presented at the Annual Alfred P. Sloan Foundation Annual Microbiology of the Built Environment Conference, May 22-24, Boulder, CO (2013).
  104. Invited Lecture by Pruden, A. Nexus of Water Sustainability and Public Health: Emerging Challenges.  Presented at TGEN, Flagstaff, Arizona, April 2 (2013).
  105. Invited Lecture by Pruden, A. Relationship between upstream human activities and antibiotic resistance gene magnitudes in the watershed.  Presented at the Rocky Mountain American Chemical Society Regional Meeting, October 17-20, Denver, CO (2012).
  106. Invited Lecture by A. Pruden.  Meeting the challenge: Antimicrobial resistance in the environment.  Presented at the Center for Molecular and Clinical Epidemiology of Infectious Disease (MAC-EPID), University of Michigan, November 17, Ann Arbor, MI (2012).
  107. Invited Lecture by A. Pruden.  Unique challenges in the health risk assessment of antibiotic resistance genes in the environment.  Society for Environmental Toxicology and Chemistry (SETAC) 32nd Annual Meeting, November 13-16, Boston, MA (2011).
  108. Invited Poster Presentation by M. Widdowson, A. Pruden, and G. Singh.  Effect of Petroleum Deposit Geometry on Biodegradation Potential and Long Term Persistence. NSF RAPID PI Conference, November 1-2, New Orleans, LA (2010)
  109. Invited Poster Presentation by A. Pruden, M. Widdowson, and G. Singh*.  Effect of Petroleum Deposit Geometry on Biodegradation Potential and Long Term Persistence. JSOST Conference, October 5-6, St. Petersburg, FL (2010)
  110. Invited Lecture by A. Pruden.  Warren Lecture: Molecular Signatures as Tracers of Antibiotic Resistance Gene (ARG) Sources in a Mixed Land-Use Watershed.  Department of Civil and Environmental Engineering, University of Minnesota. September 17, Minneapolis, MN (2010)
  111. Invited Lecture by A. Pruden.  Source-tracking antibiotic resistance genes at the watershed scale, Department of Microbiology.  University of Nebraska. January 15, Lincoln, NE (2010)
  112. Invited Lecture by Pruden, A.  Microbial Community Dynamics of Mine Drainage Remediation: Role of Inoculum.  University of Newcastle Upon Tyne, April 3rd, Newcastle, U.K. (2009)
  113. Invited International Lecture by Pruden, A. Pathways, Mitigation and Treatment of Antibiotic Resistance Genes in the Environment, Society of General Microbiology, March 29-April 2, Harrogate, U.K. (2009)
  114. Invited Lecture by Pruden, A. Antibiotic Resistance Genes (ARG) as Pollutants. University of Central Florida, Department of Civil & Environmental Engineering, September 29, Orlando, FL (2006)
  115. Invited Lecture by Pruden, A. Antibiotics and Antibiotic Resistance Genes (ARG) in the Environment.  Soil and Water Conservation Society: International Conference on Conservation & Environmental Management, July 22-25, Keystone, CO (2006)
  116. Invited Lecture by Pruden, A. Antibiotic Resistance Genes in the Poudre River Watershed. American Society for Microbiology 106th General Meeting, May 21-25, Orlando, FL (2006)
  117. Invited Lecture by Pruden, A. Biogeochemical Treatment of Mining Influenced Water, DOE Idaho National Laboratory, May 11, Idaho Springs, ID (2006)
  118. Invited Lecture by Pruden, A., K.F. Reardon, and Alexis Templeton. Genomic and Proteomic Analysis of Deep Underground Microbial Communities.  Henderson Deep Underground Science and Engineering Laboratory (DUSEL) Capstone Workshop, State University of New York,, May 4-7, Stonybrook, NY (2006)
  119. Invited Lecture by Pruden, A. Potential Impacts of Antibiotics in the Environment, Colorado Soil and Water Conservation Society, November 15, Denver, CO (2005)
  120. Invited Lecture by Pruden, A. New Methods of Biochemical and Microbiological Design and Assessment of Bioreactors Treating Metal Contaminants, U.S. EPA Workshop on Abandoned Mine Lands: Treatment Technologies, May 10-12, Denver, CO (2005)
  121. Invited Lecture by Pruden, A.  Antibiotic Resistance Genes as an Emerging Contaminant, Texas Tech University, Department of Civil & Environmental Engineering and Department of Chemical Engineering, March 25, Lubbock, TX (2005)
  122. Invited Lecture by Pruden, A. Antibiotic Resistance Genes in the Sediments of the Poudre River, Colorado School of Mines Department of Environmental Science and Engineering, February 3, Golden, CO (2005)
  123. Invited Lecture by Pruden, A. Microbial Community Analysis of Sulfate-Reducing Permeable Reactive Zones Remediating Heavy Metals, Presentation at Microbial Supergroup Meeting, April 13, University of Colorado, Boulder, CO (2004)
  124. Invited Lecture by Pruden, A. Fuel Oxygenates, Where Have We Come From, Where are We Going? Presentation to Department of Civil, Environmental, and Architectural Engineering, University of Colorado, February 20, Boulder, CO (2003)
  125. Invited Lecture by Pruden, A. Challenges in MTBE Bioremediation, Colorado State University Sigma Xi Chapter, October 15, Fort Collins, CO (2002)
  126. Invited Lecture by Pruden, A.  Challenges in Ex Situ MTBE Bioremediation.  Presented to the Civil Engineering Department, Rice University, March 7, Houston, TX (2002)