Bob Whitaker, Ph.D., recently retired, served as the chief science and technology officer for the Produce Marketing Association (PMA). In that role, Bob was responsible for food safety, technology, supply chain management, and sustainability. He also served on the Center for Produce Safety's Board of Directors as well as on the California Leafy Greens Technical Committee. Prior to joining PMA, Bob spent 16 years in the biotechnology arena with DNA Plant Technology Corporation as a researcher, and then as vice president of fruit and vegetable R&D. Bob's career has also included roles at NewStar Fresh Foods and its subsidiary MissionStar Processing.

Bob earned his doctorate in biology from the State University of New York at Binghamton.

Jennifer McEntire, Ph.D., is the vice president of food safety and technology at United Fresh Produce Association. Before that, she was the vice president of science operations for the Grocery Manufacturers Association. She has also had roles as vice president and chief science officer at The Acheson Group and as the senior staff scientist and director of science and technology projects for the Institute of Food Technologists. She is an advisory board member of the Global Food Traceability Center, the technical committee of the Center for Produce Safety, and she serves on the executive committee of the Food Safety Preventive Controls Alliance.

Jennifer earned her Ph.D. from Rutgers University as a U.S. Department of Agriculture (USDA) National Needs Fellow in food safety. 

In this episode of Food Safety Matters, we speak to Bob and Jen [14:07] about:

• How United Fresh and PMA work with retailers during recalls and foodborne outbreaks
• False beliefs that contamination within the leafy greens community doesn't or can't affect other food commodities
• How outbreaks that fly under the radar and go unannounced can hurt the industry
• The use of ag water and whether it's really the true root of contamination
• Their thoughts on the Produce Safety rule as it's currently written
• What trade associations are focusing on for the future

Bob's Articles in Food Safety Magazine
Latest Research Findings Hit on Produce Safety Priorities 
Confronting Food Safety Challenges Head-On in Produce 
The Supply Chain and Food Safety Culture: Primary Production 
The Supply Chain and Food Safety Culture: Sector Leaders Sharing Their Challenges and Recommended Practices

Jen's Articles in Food Safety Magazine
Fixing FSMA's Ag Water Requirements 
Environmental Monitoring in the Era of Whole-Genome Sequencing
Building Food Safety Leaders
Product Tracing in Food Systems: Legislation vs. Reality

News Mentioned in This Episode
USDA's New Swine Slaughter Rule Hit By Another Lawsuit [2:13]
GMA Debuts as CBA [5:51]
Three Separate Romaine Lettuce Outbreaks Declared Over [10:00]

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).

Lyle Probst is the CEO of NomadX and an accomplished entrepreneur with more than 25 years of experience in operations, product development, engineering, biodefense, and advanced technology commercialization.