Presentations

2012. How Microorganisms Evade HACCP.  June 7-8, 2011.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens.

2012. Sampling Plans for Ingredients and Finished Products.  June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2012. In-Plant Investigations and Risk Assessments.  June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2012. Presumptuous Assumptions: Why GMP audits, HACCP Verification Audits and Finished            Product Testing do not Guarantee Microbiological Food Safety-The missing elements.   June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2012. Control of Pathogens in Wet and Dry Dairy Product Processing Equipment and Environments.  IAFP Webinar.  May 18.  Posted on-line at http://www.foodprotection.org/events/webinars/

2012. Control of Salmonella and Other Pathogens in Dry Food Processing Environments and             Equipment.  Midwest Food Processors Association conference on Hygienic Design and Sanitation in Food Plants/Issues and Answers.  April 12, 2012.  La Crosse, WI.

2012. Sleuthing for Listeria and Salmonella in Dairy Processing Plants- Why, Where, What, When and How to Look.  Oregon Dairy Industries Annual Conference, April 3.  Salem, OR.

2012. General Principles of Microbiology: Factors which Influence the Growth, Survival and Death of Microorganisms.  Session 1 of an Oregon State University sponsored workshop, entitled, “ Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers.”  April 2, Salem, OR.

2012. How Microorganisms Become Established in Factory Environments: How They Evade HACCP and Other Quality Assurance Plans.  Session 2 of an Oregon State University sponsored workshop, entitled, “Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers.”  April 2, Salem, OR.

2012. Sampling the Environment and Equipment.  Session 3 of an Oregon State University sponsored workshop, entitled, “Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers”.  April 2, Salem, OR.

2012. Microbial Control: Where and How Raw Ingredient and Finished Product Testing Fit into the Big Picture – An Understanding of Microbiological Sampling Criteria.  Session 4 of an Oregon State University sponsored workshop, entitled, “Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers.”  April 2, Salem, OR.

2012. In-Factory Investigation and Sampling.  Session 5 of an Oregon State University sponsored workshop, entitled, “Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers”.  April 2, Salem, OR.

2012.     Starting Up Operations After Being Shut Down: Personal Experiences.  Session 6 of an Oregon State University sponsored workshop, entitled, “ Investigation and Control of Pathogens in Food Processing Environments: Real Problems, Real Answers.” April 2, Salem, OR.

2012.   How Microbes Become Established in Factory Processing Environments, How They Evade HACCP and Other Quality Control Plans.  March 1.  Validating Meat Safety & Quality in Meat Processing Workshop.  University of Georgia, Athens.

2011.   IAFP Symposium.  Dry Processing Operations: When to Clean, What to Clean and Where to Look.  Presentation entitled, “Drying Equipment (Tunnel and Spray Driers) – When and How to Clean.”  August 3.  Milwaukee, WI.

2011.      IAFP Symposium S21: Bacterial Strain Persistence and Control in the Industrial Food Processing Environment.  Presentation entitled, “Practical Approaches to Finding and Controlling Persistent Strains in the Industrial Food Processing Environment.”  August 2.  Milwaukee, WI

2011. IAFP Pre-Meeting Workshop.  IAFP Cleaning and Sanitizing Workshop.  Co-Organizer.  Presentation entitled, “Sampling Programs for Wet and Dry Processing Plants.”  Johnson-Diversey Pilot Plant, Sturtevant, WI.  July 29.

2011. How Microorganisms Evade HACCP.  June 7-8, 2011.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens.

2011. Sampling Plans for Ingredients and Finished Products.  June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2011. In-Plant Investigations and Risk Assessments.  June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2011. Presumptuous Assumptions: Why GMP audits, HACCP Verification Audits and Finished Product Testing do not Guarantee Microbiological Food Safety-The missing elements.   June 8-9.  Control of Microbial Contamination in the Food Industry Workshop.  University of Georgia, Athens, GA.

2010. IAFP Symposium proposal (Organizer and Co-convenor). An Indicator Approach to Enteric Contamination of at Risk Foods. August 1-4. (scheduled). Anaheim, CA.

2010. How do Microorganisms Become Established in Your Plant and Evade Your HACCP Plant Procedures. June 8-9. (scheduled). Control of Microbial Contamination in the Food Industry Workshop. University of Georgia, Athens, GA.

2010. Statistical Sampling Plans for Ingredients and Finished Products or Where and How Raw Ingredient and Finished Product Testing Fit into the Big Picture: An Understanding of Microbiological Sampling Criteria. June 8-9. (scheduled). Control of Microbial Contamination in the Food Industry Workshop. University of Georgia, Athens, GA.

2010. How to Look for Microorganisms. June 8-9. (scheduled). Control of Microbial Contamination in the Food Industry Workshop. University of Georgia, Athens, GA.

2010. Re-Starting Operations After Being Shut Down: Personal Experiences and Tips. June 8-9. (scheduled). Control of Microbial Contamination in the Food Industry Workshop. University of Georgia, Athens, GA.

2010. IAFP Webinar. Challenges and Improvement Opportunities in the Cleaning and Sanitation of Equipment in Dry Food Processing Environments. June 2. (scheduled). Madison, WI.

2010. Sampling the Environment and Equipment. May 19 (scheduled). American Frozen Foods Institute/National Frozen Pizza Institute. Listeria monocytogenes Control Workshop for Frozen Pizza Producers. Embassy Suites Rosemont, IL.

2009. IAFP Symposium S15. (Co-Organizer and Co-Convenor). Less Recognized and Underappreciated Foodborne Pathogens – No Crystal Ball for the Next Big Bug. July 14. Grapevine, TX.

2009. IAFP Pre-Meeting Workshop. July 10-11. Challenges and Improvement Opportunities in the Cleaning and Sanitation of Existing and Retrofitted Equipment in Dry Food Processing. In workshop entitled Your Toolkit for Cleaning By Design…What Can Go Right. Grapevine, TX.

2009. American Frozen Foods Institute Webinar. Preventing Food Safety Surprises with an In-Plant Microbiological Risk Assessment Approach: Experiences and Justification. July 8. Madison, WI.

2009. Plant Conditions Which Foster Microbiological Hazards. June 3. Wisconsin Association for Food Protection. Madison, WI.

2008. Kornacki Microbiology Solutions Short Course. October 6-7. Lectured 2 days in course entitled, “Investigation and Control of Pathogens of Dry Foods and Dry Food Processing Environments Real Problems/Real Answers.” Lectures included, Session 1: Introduction. Session 3: General Principles of Food Microbiology: Factors Which Influence the Growth, Survival and Death of Microorganisms. Session 5: How Microorganism Become Established In Factory Environments: How they Evade HACCP and Other Quality Assurance Plans. Sessions 6: Sampling the Environment and Equipment. Session 8: Microbial Control: Where and How Raw Ingredient and Finished Product Testing Fit into the Big Picture-An Understanding of Microbiological Sampling Criteria. Session 9: In-Factory Investigation and Sampling. Session 10: Starting Up Operations After Being Shut Down: Personal Experiences. Session 11: Final Work Group Exercise. Minneapolis, MN.

2008. Preventing Food Safety Surprises with an In-Plant Microbiological Risk Assessment Approach: Experiences and Justification. March 18. Food Safety Summit & Expo. Washington, D.C.

2007. Avoiding Food Safety Surprises with In-House Microbiological Risk Assessments. September 18. Food Industry Microbiology Round Table. Marriott Chicago NW. Hoffman Estates, IL.

2007. Summary of Listeria monocytogenes Guidelines for Small and Very Small Meat and Poultry Plants that Produce RTE Products. September 6. USDA FSIS, Washington, D.C.

2007. IAFP Annual Meeting. July 11. Case Studies in Microbial Spoilage – Troubleshooting and Control. Presentation in symposium S21 – Spoilage and Its Control in Meat Products. Orlando, FL.

2007. IAFP Pre-Meeting Workshop (Co-Organizer, Co-Convener.). July 6 and 7. Statistical Sampling Plans for Ingredients and Finished Products: An Understanding of Microbiological Sampling Criteria. In workshop entitled, “Environmental Sampling of Food and Water.” Orlando, FL.

2007. IAFP Pre-Meeting Workshop (Co-Organizer, Co-Convener.). July 6 and 7. Applications of Sampling for Food Environments: Investigational and Routine Sampling. In workshop entitled, “Environmental Sampling of Food and Water.” Orlando, FL.

2007. Starting Operations After Being Shut Down: Personal Experiences and Tips. June 26-27. Presentation in short course entitled, “In-Plant Control of Microbial Contamination for Refrigerated and/or Processed Foods.” Food Science Department, University of Georgia, Athens, GA.

2007. In-Plant Investigations and Risk Assessments. June 26-27. Presentation in short course entitled, “In-Plant Control of Microbial Contamination for Refrigerated and/or Processed Foods.” Food Science Department, University of Georgia, Athens, GA.

2007. Establishing Sampling Plans for Raw Ingredients and Finished Products. June 26-27. Presentation in short course entitled, “In-Plant Control of Microbial Contamination for Refrigerated and/or Processed Foods.” Food Science Department, University of Georgia, Athens, GA.

2007. How Do Microorganisms Evade Your HACCP Plan Procedures? Presentation in short course entitled, “In-Plant Control of Microbial Contamination for Refrigerated and/or Processed Foods.” June 26-27. Food Science Department, University of Georgia, Athens, GA.

2007. Minimizing Microbial Risk Using In-House Assessments. June 20. Wisconsin Association for Food Protection. Madison, WI.

2007. Effective environmental and product sampling plans for recovery of coliforms. May 16. Wisconsin Laboratory Association. Neenah, WI.

2007. Microbiological Sampling Considerations: The Big Picture. May 7. Food Safety & Security. Washington, D. C.

2006. Examples of Surrogate Validation and Use in the Industry. September 21. Joint Education Committee (JEC). LaCrosse, WI. (A spoke for the Wisconsin Association for Food Protection section of this meeting.

2006. Tribute to the late Elmer H. Marth. September 20. JEC Meeting. LaCrosse, WI.

2006. How Microorganisms Evade HACCP Plans. September 6. FRESH seminar series. Food Research Institute. Madison, WI.

2006. IAFP Symposium S07 (Co-Organizer, Co-Convener) Surrogate Microorganisms; Selection, Use and Validation, August 14. Presentation entitled, “Examples of Surrogate Validation and Use in the Industry,” IAFP Annual Meeting, Calgary, Alberta, Canada.

2006. IAFP Pre-Meeting Workshop (Co-Organizer, Co-Convener) Developing and Enhancing Your Food Microbiology Laboratory, August 12. Presentation entitled, “Laboratory Layout Considerations”. Calgary, Alberta, Canada.

2006. How Do Microorganisms Become Established in Your Plant and Evade Your HACCP Plant Procedures. July 12. In-Plant Control of Microbial Contamination for Ready-to-Eat Foods short course. University of Georgia, Athens, GA.

2006. Statistical Sampling Plans for Ingredients and Finished Products or Where and How Raw Ingredient and Finished Product Testing Fit into the Big Picture: An Understanding of Microbiological Sampling Criteria. July 12. In-Plant Control of Microbial Contamination for Ready-to-Eat Foods short course. University of Georgia, Athens, GA.

2006. Investigation: How to Look for Microorganisms. July 12. In-Plant Control of Microbial Contamination for Ready-to-Eat Foods short course. University of Georgia, Athens, GA.

2006. Re-Starting Operations After Being Shut Down: Personal Experiences and Tips July 12. In-Plant Control of Microbial Contamination for Ready-to-Eat Foods short course. University of Georgia, Athens, GA.

2006. “How Microbes Get Around HACCP And What You Can Do About It.” March 8. Food Safety World Conference. Washington, D.C.

2006. Kornacki Food Safety Associates Annual Meeting. January 18-20. Lectured three days in course entitled, “Principles of Microbiological Troubleshooting in Your Factory: ‘Real Problems/Real Answers’”. Lectures included, Session 1: Introduction/Consequences and Examples of Food Contamination; Session 3: General Principles of Food Microbiology: Factors which Influence Microbial Growth and Survival and Death, Session 5: How Microbes Become Established in Factory Environments: How They Evade HACCP and Other Quality Control Plans; Session 6: Sampling the Environment and Equipment; Session 8: Microbial Control: Where and How Raw Ingredient and Finished Product Testing Fit Into the Big Picture; Session 9: In-Factory Investigation and Sampling; Session 10: Starting Up Operations After Being Shut Down: Personal Experiences and Tips; and Session 13: Troubleshooting Exercise No. 2. San Diego, CA.

2005. “How Microbes Become Established In Factory Environments and Evade HACCP Plans: Investigational Approaches and Exercise.” October 19. National Environmental Health Association “Epi-Ready” workshop. Reno, NV.

2005. Microbial Control: Where and How Product Testing Fit Into the Big Picture: An understanding of microbiological sampling criteria. October 18. Presented at the 25th Annual Food Microbiology Symposium and Rapid and Automated Methods Workshop. River Falls, WI.

2005. How Product Testing Fits into the Big Picture: An Understanding of Microbiological Sampling Criteria. September 15. Wisconsin Laboratory Association Annual Meeting. Wausau, WI.

2005. Kornacki, J.L. IAFP Pre-Meeting Workshop (Co-Organizer, Co-Convener) Out of the filing cabinet into use: Real world Experience with trending data. August 12. Presentation entitled, “How Microorganisms Evade HACCP Plans: Developing Effective Environmental Sampling Plans.” Baltimore, MD.

2005. Principles of Microbiological Troubleshooting in the Food Processing Factory. August 3. Review of Factors which Influence Microbial Growth and Survival (Resistance to Stress) and Death. Center for Disease Control, Atlanta, GA.

2005. Principles of Microbiological Troubleshooting in the Food Processing Factory (1/2 day Workshop) August 3. Three lectures: Lectures: How Microbes Become Established in Factory Environments, How Microorganisms Evade HACCP, and Investigational Approaches in Food Processing Environments. Center for Disease Control, Atlanta, GA.

2005. Kornacki Food Safety Associates Annual Meeting. January 17-19. Lectured three days in course entitled, “Principles of Microbiological Troubleshooting in Your Factory: ‘Real Problems/Real Answers’”. Lectures included, Session 1: Introduction/Consequences and Examples of Food Contamination; Session 2: Review of Factors which Influence Microbial Growth and Survival (Resistance to Stress) and Death, Session 3: How Microbes Become Established in Factory Environments, How They Evade HACCP and Other Quality Control Plans; Session 4: Sampling the Environment and Equipment; Session 5:Statistical Sampling Plans for Ingredients and Finished Products; Session 7: Introduction to Conducting the In-Factory Investigation; Session 9: Starting Up Operations after Being Shut Down; Session 10a: The Principles and Value of Molecular Sub-typing in Food Investigation. San Diego, CA.

2004. Wisconsin Laboratory Association Annual Meeting. September 15-16. Microbial Control: Where and How Environmental/Investigational Sampling Fit Into the Big Picture. Kimberly, WI.

2004. National Pork Board Annual Quality and Safety Meeting. August 18. Surface Material, Temperature and Soil Effects On Pathogen Growth In Condensate. West Des Moines, IA.

2004. International Association for Food Protection. Annual Meeting. August 11. Symposium S26: Optimizing Data Minimizing Risk. “Where and How Ingredient and Finished Product Testing Fit into the Big Picture”. Phoenix, AZ.

2004. International Association for Food Protection. Annual Meeting. August 9. T66 A Solid Agar Overlay Method for Recovery of Listeria monocytogenes — Zhinong Yan, Joshua B. Gurtler, and JEFFREY L. KORNACKI. Phoenix, AZ.

2004. International Association for Food Protection. Annual Meeting. August 9. Poster Session P058. Fate of Aerosolized Listeria monocytogenes in a Closed Bioaerosol Chamber. Zhinong Yan, JEFFREY KORNACKI, Chia-Min Lin, and Michael Doyle. Phoenix, AZ.

2004. International Association for Food Protection. Annual Meeting Workshop. August 7-8. Workshop: Your Data, Your Job: Quality Systems for Microbiological Food Analysis. “Where and How Ingredient and Finish Product Testing Fit into the Big Picture.” Phoenix, AZ.

2004. NCFST Lecture Series. February 23. Enterobacter sakazakii: An Emerging Food Pathogen. National Center for Food Safety and Toxicology. Michigan State University. East Lansing, MI.

2003. Centers for Disease Control and Prevention. November 20, 2003.Enterobacter sakazakii: An Emerging Food (Infant Formula) Pathogen. Atlanta, GA.

2003. University of Wisconsin – River Falls. Twenty-Third Food Microbiology Symposium: Current Concepts in Food-borne Pathogens and Rapid and Automated Methods in Microbiology. October 19-22. Enterobacter sakazakii: An Emerging Pathogen. River Falls, WI.

2003. International Association for Food Protection. Annual Meeting. August 10-13. T01 Evaluation of several modifications of an Ecometric technique for Assessment of Media Performance. Kornacki, J.L., J.B. Gurtler, Z. Yan, and C. M Cooper. New Orleans.

2003. International Association for Food Protection. Annual Meeting. August 10-13. T02 Comparison of Modified Plate drop and Solid Agar Overlay Method for Recovery of Listeria monocytogenes with Spread Plating and Spiral Plating Using Several Media. Yan, Z. and J.L. Kornacki. New Orleans.

2003. International Association for Food Protection. August 10-13. P098. Evaluation of methods for declumping of Mycobacterium avium spp. paratuberculosis. Fifadara, N. and J. L. Kornacki. New Orleans.

2003. International Association for Food Protection. August 10-13. T53. The effects of soil and surface-type on the survival of Listeria monocytogenes in the presence of condensate. Allan, J. and J.L. Kornacki. New Orleans.

2003. International Association for Food Protection. Annual Meeting Workshop. August 8-9. Workshop: Assuring Confidence in Laboratory Data. Microbial Control. “Where and How Ingredient and Finish Product Testing Fit into the Big Picture.” New Orleans.

2003. International Association for Food Protection. Annual Meeting Workshop. August 8-9. Workshop: Assuring Confidence in Laboratory Data. “Microbial Control. “Where and How Environmental/Investigation Testing Fit into the Big Picture”. New Orleans.

2003. Kornacki Food Safety Associates. Serbian Microbiologist Training. July 21-August 1. Marshfield/Fort Atkinson/Green Bay, WI. Sponsored by USDA-FAS.

2003. Institute of Food Technology Annual Meeting. July 15. Enterobacter sakazakii: An Emerging Pathogen. Chicago, IL.

2003. American Society for Microbiology 103rd General Meeting. May 20. Enterobacter sakazakii: History, Ecology and Epidemiology of an Emerging Pathogen. Washington, DC.

2003. Center for Food Safety Annual Meeting. March 5. Impact of Surface Composition, Soil, and Temperature on Pathogen Growth in Condensate. Atlanta, GA.

2003. Center for Food Safety Annual Meeting. March 4. Listeria and Surrogate Bacteria Aerosol Transmission Studies. Atlanta, GA.

2002. Alabama Association for Food Protection. November 20, 2002. Investigational Sampling Birmingham, AL.

2002. Food Safety Risk Analysis Seminar, October 28-November 1, 2002. Emerging Pathogens of Concern: Potential Future Microbial Threats with Emphasis on Foods of Animal Origin. October 30. Belgrade, Federal Republic of Yugoslavia.

2002. Food Safety Risk Analysis Seminar, October 28-November 1, 2002. Field Investigations and Assessment of In-Factory Microbiological Risks: Case Studies. October 31, 2003. Belgrade, Federal Republic of Yugoslavia.

2002. Food Safety Risk Analysis Seminar, October 28-November 1, 2002. Laboratory Facility Considerations: A Food Microbiologist’s Perspective. October 31, Belgrade, Federal Republic of Yugoslavia.

2002. CSAGE meeting . Survival and Destruction of Bacillus anthracis in Foods. August 14, Georgia Institute of Technology. Atlanta, GA.

2002. International Association for Food Protection. Pediococcus sp. NRRL B-2354 as a Thermal Surrogate in Place of Salmonellae and Listeria monocytogenes. San Diego, CA.

2002. Marshfield Clinic. Enterobacter sakazakii: pursuit of a putative pathogen. Marshfield, WI.

2002. Georgia Department of Agriculture annual training meeting. Investigational Approaches to Sampling. Farmer’s Market. Riverdale, GA.

2002. Georgia Department of Agriculture annual training meeting. Investigational Approaches to Sampling. Farmer’s Market. Macon, GA.

2002. Georgia Association of Food and Environmental Sanitarians annual meeting. How Microorganisms Evade HACCP Plans. Atlanta, GA.

2002. Center for Food Safety Annual Meeting. Development of Surrogate Microorganisms for In-Factory Validation of Thermal Processes. Atlanta, GA.

2002. Meat Industry Research Conference. Conference sponsored by the American Meat Institute and American Meat Science Association. Identifying future threats to food safety. Chicago, IL.

2001. Wisconsin Association of Milk, Food and Environmental Sanitarians. How Microorganisms Evade HACCP Plans. Madison, WI.

2001. Wisconsin Dairy Products Association meeting. Significance of Pathogenic Microorganisms to the Dairy Industry. Wisconsin Dells, WI.

2000. Food Safety 2000 Conference. Monitoring Sanitation Programs in the Dairy Industry. Oporto, Portugal.

2000. International Association for Food Protection Annual Conference. Relevance of Testing to Reduce Risk: Statistical Sampling-An Overview. (Presented on behalf of R. S. Flowers). Atlanta, GA.

2000. Second International Conference on Food Safety sponsored by the National Sanitation Foundation. Symposium Co-convener. Savannah, GA.

2000. American Dairy Science Association Annual Meeting. Dairy Product Shelf-life Improvement: Microbial Considerations. Memphis, TN.

1999. Quality Checked Dairies Spring Management and Leadership Conference, entitled “The QC Edge”. The Latest on Listeria, Don’t Fall off the Edge or Tools for Effective Listeria Control in the Dairy Industry. Denver, Co.

1999. American Dairy Science Association Annual Meeting. Dairy Product Shelf-life Improvement: Microbial Considerations. Memphis, TN.

1999. Food Safety Summit and Expo. Hygiene Testing and Certification. Washington, D.C.

1998. Panamerican Congress on Mastitis Control and Milk Quality. Public Health Concerns Related to Microorganisms in Milk and Dairy Products. Merida, MX, Yucatan.

1998. American Dairy Science Association Annual Meeting. Denver Convention Center, Enterobacter sakazakii: Pursuit of a Putative Pathogen in a Dairy Powder Factory (a case study). Denver, CO.

1997. Iowa Dairy Foods Manufacturing Conference on Strategy For Sanitation and Hygiene in Dairy Plants. Iowa Dairy Products Association, Iowa State University Extension, and University of Wisconsin Extension. Two talks: (1) Microbial Cheese Safety Considerations (2) Microbial Ecology and Control in Dairy Plant Environments, respectively. Waverly and Waterloo, IA.

1995. Fall Dairy Industry Conference. California Dairy Industry Association, California Association of Dairy and Milk Sanitarians, and University of California –Are Cryptosporidium, Aeromonas, and others in the dairy industry’s future? Davis. Visalia, CA.

1995. Sixty-second Annual Dairy and Food Industry Conference. Cheese Microbial Safety Considerations. Ohio State University, Food Science and Technology Department, Columbus, Ohio.

1995. Wisconsin Dairy Technology Society. Pathogen Reporting in Light of DATCP 80.56. Waukesha, WI.

1994. Wisconsin Laboratory Association. Microbial Ecology and Control in a Meat Plant Environment. Waukesha, WI.

1994. Kansas Dairy Industry Conference. Kansas State University Extension, and Department of Animal Sciences and Industry. Dairy Microbiology and Cheese Safety Considerations. Manhattan, Kansas.

1992. American Association of Candy Technologists. Rapid Detection Methods for Microbiological Testing. Milwaukee, Wisconsin.

1991. Eleventh Annual Food Microbiology Symposium. Microbial Ecology and Control in a Meat Plant Environment. University of Wisconsin-River Falls, River Falls, Wisconsin.

1991. Central Atlantic States Association of Food and Drug Officials. Role of Microbiological Testing in the Cheese Industry. Westminster College, New Wilmington, Pennsylvania.

1991. Annual Meeting of the International Association of Milk, Food and Environmental Sanitarians. Perspectives on American and European Food Protection Issues. Convener. Louisville, Kentucky.

1990. Milk, Microbes and Marth: A symposium in recognition of the research contributions of Professor Emeritus Elmer H. Marth. Control of Pathogens in Cheese. Madison, Wisconsin.

1990. Institute of Food Technologists 51st Annual Meeting and Expo. Salmonella survey of rendered animal proteins. Anaheim, California.

1985. American Dairy Science Association 80th Annual Meeting. Thermal Destruction of Staphylococcus aureus in Ultrafiltered Milk. University of Illinois, Urbana-Champaign, Illinois.