Home » Multimedia » Podcasts » Food Safety Matters » Ep. 35. John Butts: Listeria--Seek and Destroy
Food Safety Matters
Food Safety Matters is a podcast for food safety professionals hosted by the Food Safety Magazine editorial team – the leading media brand in food safety for over 20 years. Each episode will feature a conversation with a food safety professional sharing their experiences and insights of the important job of safeguarding the world’s food supply.
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
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Lily Yasuda is the Deputy Director of the Alliance to Stop Foodborne Illness, where she leads national initiatives that bring together food industry leaders to strengthen food safety culture and support continuous learning across the sector.
Athenais Boeffard is a collaborative and people-focused production leader with over a decade of experience in food manufacturing and food safety.
John Boyce has over 45 years of experience in various aspects of food production, food safety, quality assurance, sanitation, training, and auditing.
Rhodes Yepsen joined the Biodegradable Products Institute (BPI) in 2015, where he leads the organization's efforts to promote the value of compostable products. Rhodes is passionate about systems-based solutions, where there is synergy in solving for food waste and packaging simultaneously—addressing climate change, ecosystem impacts, and regenerative agriculture. Previously, he served on the Board of USCC, worked for biopolymer producer Novamont, and was a staff editor and writer at BioCycle magazine.
Brittney Miller is President of Manchester Farms, America's first quail farm. What started over 40 years ago as a backyard hobby has grown into a nationally recognized, family-owned business that produces more than 80,000 quail weekly, raising them responsibly, without antibiotics or hormones, and shipping premium products to chefs, retailers, and home cooks across the country. Brittney's story is about more than farming: it is about stewardship, innovation, and family values. She combines her passion for sustainable agriculture with modern food safety standards. Her SQF Level 2 certified, HACCP-compliant farm sets the benchmark for quality in specialty poultry.
Mindy Brashears, Ph.D. is the USDA's Under Secretary for Food Safety. Dr. Brashears previously served as Under Secretary for Food Safety from 2020–2021, and Deputy Under Secretary in 2019. Dr. Brashears returns to USDA from Texas Tech University, where she was a Paul Whitfield Horn Distinguished Professor of Food Safety and Public Health, the Roth and Letch Family Endowed Chair for Food Safety, and the Director of the International Center for Food Industry Excellence.
Justin Ransom, Ph.D. is Administrator of USDA's Food Safety and Inspection Service (FSIS), where he oversees FSIS' mission to ensure the safety, wholesomeness, and proper labeling of America's commercial supply of meat, poultry, and processed egg products. He leads the agency's modernization efforts, streamlining inspection systems, strengthening public health protections, and advancing science-based policies.
Elena Medo, M.B.A. is an entrepreneur, researcher, and inventor who has spent nearly 40 years transforming neonatal care through leadership and innovation. She has secured numerous patents, raised over $40 million across four companies, and built a legacy of firsts, including the first commercially available shelf-stable donor breast milk product; the first milk bank owned exclusively by nursing mothers; and the first medical device designed to analyze human milk. Today, as CEO and co-founder of Leonie Health PBC, established in 2023 with her daughter, Adrianne Weir, Elena is developing a revolutionary product that replicates the immune properties of colostrum to protect preterm infants against the three deadliest neonatal infections—necrotizing enterocolitis (NEC), ventilator-associated pneumonia (VAC), and sepsis—which together claim the lives of more than 30,000 hospitalized infants per year.
Alissa Welsher, Ph.D. is a Senior Consultant at Elanco Poultry Food Safety. Dr. Welsher received a bachelor’s degree in biological sciences from the University of Pittsburgh, as well as a master’s degree in poultry science and a Ph.D. in cell and molecular biology from the University of Arkansas. Her area of expertise is meat and poultry food safety, and she specializes in integrated pest management (IPM).