IEH Academy


IEH Academy Webinar

Essentials of Finished Product Pathogen Sampling and Testing

Dr. Donald Zink and Dr. Gene Bartholomew hosted a live webinar to discuss the importance of in-process and finished product testing as a verification tool for food safety programs.

Webinar Recording:

Webinar Description:

Topics Covered:

  • Designing a sampling plan
  • Choosing a test method
  • Response to a positive result
  • Carving out implicated products
  • Regulatory environment related to finished product testing
  • Reportable registry
  • Corrective actions
don zink

Meet the Instructor

Dr. Donald Zink

Dr. Donald Zink leads the food safety and food processing consulting group at IEH. He received his Ph.D. in Biochemistry and Biophysics and his M.S. in Microbiology from Texas A&M University, and his B.S. from Abilene Christian University. Prior to working at IEH, Dr. Zink worked for the U.S. FDA as the Chief Scientist for Food Safety and Applied Nutrition. At IEH, he is focused on helping clients avoid food contamination from bacterial pathogens. Dr. Zink assists clients with broader issues related to food safety such as: process validation, allergen control, and chemical contamination. He is an expert in the microbiological and chemical safety of processed foods and fresh produce. He has extensive experience on low acid canned food thermal processing, aseptic processing, ice cream production, chocolate and confectionery products, infant formula production, beverage production, fermented and acidified foods, frozen and refrigerated food production, and baked goods production.

Meet the Instructor

Dr. Gene Bartholomew

Dr. Bartholomew began his professional career at International Paper in 1983 as a research scientist. During his 15 years there, he commercialized and validated an aseptic packaging system, managed a beverage pilot plant and its laboratory, started taste panel testing for the company, and advanced to manage several product development groups.

Dr. Bartholomew then joined Smithfield Foods Packaged Meats. He started in the John Morrell Group as the corporate director of food safety for 7 meat processing and slaughter facilities and 1 spice plant. He later took on the role of Senior Director of Corporate Food Safety, during which he was responsible for 14 meat processing plants and several FDA-regulated plants. Throughout his 20-year career at Smithfield, he led HACCP plan design and validation, thermal processing, regulatory compliance, sanitation, allergen control and environmental pathogen monitoring. He also managed a corporate microbiology laboratory and its accreditation, and has certifications in HACCP training, BRC and SQF schemes, and is a Preventive Controls Qualified Individual.

Dr. Bartholomew was a founding member of the North American Meat Institute Listeria Control Workshop and has taught numerous courses to members of the food industry.


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