Susan Mayne, Ph.D., is the Director of the Center for Food Safety and Applied Nutrition (CFSAN) at the U.S. Food and Drug Administration (FDA). Dr. Mayne leads CFSAN in developing and implementing policies, programs, and initiatives to ensure the U.S. food supply is safe and healthy for consumers, and that food, dietary supplements, and cosmetics sold in the U.S. are safe and properly labeled. Under Dr. Mayne’s leadership, CFSAN works to reduce foodborne illness, protect consumers from harmful products, ensure that chemicals in food are found at levels that are not harmful, conduct and advance scientific research in support of food safety, and other efforts. Since taking up the role of CFSAN Director 2015, Dr. Mayne has overseen and implemented several landmark public health policies and initiatives, including issuing eight foundational rules and more than 50 guidances implementing FDA's Food Safety Modernization Act (FSMA).

Dr. Mayne received a B.A. degree in chemistry from the University of Colorado and a Ph.D. in nutritional sciences, with minors in biochemistry and toxicology, from Cornell University. Prior to joining FDA, Dr. Mayne spent nearly three decades at Yale University, where she held an endowed chair as the C.-E.A. Winslow Professor of Epidemiology. She also served as Chair of the Department of Chronic Disease Epidemiology at Yale and Associate Director of the Yale Cancer Center.

Helena Bottemiller Evich is the Founder and Editor-in-Chief of Food Fix. She previously led coverage of food and agriculture at POLITICO for nearly a decade, winning numerous awards for her work, including a prestigious George Polk Award for a series on climate change and two James Beard Awards for features on nutrition and science. In 2022, she was a James Beard Award finalist for a deep dive on diet-related diseases and COVID-19. Helena is also a sought-after speaker and commentator on food issues, appearing on CNN, MSNBC, CBS, BBC, NPR, and other outlets. Her work is widely cited in the media and has also been published in the Columbia Journalism Review and on NBC News.

Frank Yiannas, M.P.H. is a renowned food safety leader and executive, food system futurist, author, professor, past president of the International Association of Food Protection (IAFP), and advocate for consumers. Most recently, he served under two different administrations as the Deputy Commissioner for Food Policy and Response at the U.S. Food and Drug Administration (FDA), a position he held from 2018–2023, after spending 30 years in leadership roles with Walmart and the Walt Disney Company.

Drew McDonald is the Senior Vice President of Quality and Food Safety at Taylor Fresh Foods in Salinas, California, where he oversees the quality and food safety programs across the foodservice, retail, and deli operations under both FDA and U.S. Department of Agriculture (USDA) jurisdictions. Mr. McDonald works with an impressive team developing and managing appropriate and practical quality and food safety programs for fresh food and produce products. He has more than 30 years of experience in fresh produce and fresh foods.

John Besser, Ph.D. worked for ten years as Deputy Chief of the Enteric Diseases Laboratory Branch at the U.S. Centers for Disease Control and Prevention (CDC), where he was involved in national and global programs to detect, characterize, and track gastrointestinal diseases. Prior to CDC, Dr. Besser led the infectious disease laboratory at the Minnesota Department of Health (MDH) for 19 years and served as a clinical microbiologist at the University of Minnesota Hospital for five years. He currently works as an independent contractor and consultant. Dr. Besser is the author or co-author of more than 70 publications. He received his Ph.D. and M.S. degree from the University of Minnesota.

Craig Hedberg, Ph.D. is a Professor in the Division of Environmental Health Sciences at the University of Minnesota and Co-Director of the Minnesota Integrated Food Safety Center of Excellence. He promotes public health surveillance as a prerequisite for effective food control, and his work focuses on improving methods for collaboration among public health and regulatory agencies, academic researchers, and industry to improve foodborne illness surveillance and outbreak investigations.

In this year-end episode of Food Safety Matters, we round up the top stories of 2025, covering U.S. federal food safety policy changes under the Trump Administration, MAHA- and state-led moves against food additives of concern and ultra-processed foods, infant formula safety, science on Listeria and biofilms, ongoing monitoring of avian flu, and AI food safety applications.

In this episode of Food Safety Matters, we speak to legal expert Brian P. Sylvester, J.D. about the rapidly evolving U.S. food regulatory landscape under the MAHA movement, and how food companies can prepare for state and federal policy changes regarding food dyes, GRAS ingredients, ultra-processed foods, and other areas.

In this episode of Food Safety Matters, we speak to Jay Berglind, the CEO of Aegis Foods and the maker of Fearless Eggs, known for its novel pasteurization process. Jay discusses the science behind Fearless Eggs’ method and what sets it apart from traditional pasteurization, and the importance of food safety innovation.

Tom Black is the First Assistant Secretary of the Exports and Veterinary Services Division at the Australian Government's Department of Agriculture, Fisheries, and Forestry. In this role, he is responsible for regulating and facilitating Australia's exports of animal commodities and certified organic products, while also providing the overarching technical food safety framework for both food exports and imports.

Gabor Molnar, Ph.D. is an Industrial Development Officer at the United Nations Industrial Development Organization (UNIDO), technically leading UNIDO's food safety work. As part of his responsibilities, Dr. Molnar designs and implements food safety capacity-building initiatives, mostly in Asia and Africa. He also represents UNIDO in various global forums, including the Codex Alimentarius Commission. Dr. Molnar is the main organizer of the Vienna Food Safety Forum (VFSF) and specializes in the domain of digitalization for food control and safety systems. Dr. Molnar holds a Ph.D. from Université Laval, as well as multiple master's degrees and certifications.