John Butts is the vice president of research at Land O’Frost. He first joined the company in 1974. His focus there includes the application of scientific principles and quality management technology to develop sanitation process control methods and procedures. 

John is mostly known for the development of the “seek and destroy” process controls for Listeria which has been adopted throughout the food industry. He is a leading expert on sanitary design and food safety culture and has given over 100 presentations including the North American Meat Institute Listeria Intervention and Control workshops.

John is also the founder and president of FoodSafetyByDesign LLC, a private consulting firm he established in 2010. There, he aims to help producers of high-risk products learn how to prevent and manage food safety risks. Listeners can reach him directly by emailing him at foodsafetybydesign@gmail.com.

Finally, John is a longtime member of the Food Safety Magazine Editorial Advisory Board, along with having written numerous articles for the publication. He received the FSM Distinguished Service Award in 2006. 

In this episode of Food Safety Matters, we speak to John Butts about: 

• The many reasons why Listeria's presence in meat has diminished over the years
• The importance of physical barriers and hygienic zoning within a food facility
• Why Listeria is so problematic in both wet and dry environments
• The proper processes of cleaning, sanitizing, disassembling equipment, and surface sampling
• Problems associated with cleaning and disassembling equipment
• Where Listeria actually comes from, and where it's commonly found
• The definition of a harborage site
• Unique ways to sanitize food facility equipment
• The importance of having a multidisciplinary team in place
• Sanitary design, sampling, and how keeping up with these tasks can save money
• The three fundamental types of sampling

Food Safety Magazine articles written by (or featuring) John Butts:
Land O’Frost: Breaking Ground in Sanitary Facility Design

The Supply Chain and Food Safety Culture: Processing

Seek & Destroy: Identifying and Controlling Listeria monocytogenes Growth Niches

The Journey to a State of Control
 

Related Content:
2014 Sanitary Equipment Design Taskforce (checklist and glossary)
YouTube Video: Weber--Steaming a Ready-to-Eat Slicer 
Blockchain Explained—Reuters infographic

News Mentioned in This Episode:
Walmart's Blockchain Food Traceability Initiative 
FDA Recall/Retail Disclosure Draft Guidance (includes instructions to submit public comments)
Congresswoman DeLauro Questions Ground Beef Recall Timeline

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White Paper: Download Eurofins' Environmental Monitoring Guide

Jatin Patel is the Head of Operations at FGS Ingredients Ltd. He has over two decades of extensive experience in the food industry and has been a cornerstone of FGS Ingredients for the past 11 years. A qualified ACCA Accountant, Jatin combines his strong financial acumen with an in-depth understanding of food industry operations. He holds a Level 3 Food Safety Certification and has completed Advanced HACCP training.

Lane Highbarger, Ph.D. worked for 26 years in the food additive regulatory and compliance field with the U.S. Food and Drug Administration (FDA), serving as lead microbiologist in FDA's Office of Food Additive Safety (OFAS). He is also an expert in food additive regulations and served as the regulatory review scientist for regulatory submissions at OFAS. Dr. Highbarger holds a Ph.D. in Biochemistry and a B.S. degree in Microbiology, both from the University of Maryland.

Kye Luker serves as the Chief Product Officer at FlexXray, where he leads the development of the company's innovative X-ray inspection process and technology. With over two decades of experience in the service, CPG, food, and beverage industries, Kye brings a wealth of knowledge in continuous improvement, quality assurance, and formulations to his role. 

Christopher R. Daubert, Ph.D., serves as the President of the Institute of Food Technologists (IFT) and as the Vice Chancellor and Dean of the College of Agriculture, Food, and Natural Resources at the University of Missouri (Mizzou), as well as a Professor in the Division of Food Systems and Bioengineering. He joined Mizzou from North Carolina State University, where he served as a Professor and Head of the Department of Food, Bioprocessing, and Nutrition Services; Director of the Food Rheology Laboratory; and system Co-Chair of Food, Biochemical, and Engineered Systems. His research explained the physical chemistry, molecular-level interactions, and functionality of food systems through an understanding of rheological behavior, while solving problems facing the food and pharmaceutical industries. 

Alex Truelove has served as Legislation and Advocacy Manager at BPI (Biodegradable Plastics Institute) since 2022. He previously directed U.S. PIRG's (Public Interest Research Group's) zero-waste program. He remains passionate about waste reduction, public policy, and working with others to incrementally solve messy environmental problems.

To get a taste of the discussions that were happening at the 2025 Food Safety Summit, we spoke face-to-face with Sharon Beals, Founder, SKKB; Peter Taormina, Ph.D., Founder and President, Etna Consulting Group; Sandra Eskin, J.D., CEO, STOP Foodborne Illness; John O'Fallon, Senior Manager Environmental Sensors, Zebra Technologies; and Monica Khoury, Senior Quality Expert, Nestlé; Lily Yasuda, Program Manager, Alliance to Stop Foodborne Illness.