Vanessa Coffman, Ph.D. is the Director of the Alliance to Stop Foodborne Illness. She has a diverse background in food safety and sustainability, with a focus on environmental exposures across the food system. Dr. Coffman has conducted various research for the Food and Agricultural Organization of the United Nations (FAO), on topics such as farming opportunities in post-war Sierra Leonne, occupational and residential exposures from large pork production operations in rural North Carolina, and the association between nitrate in drinking water from food animal operations and fetal health outcomes. Dr. Coffman previously worked at Stop Foodborne Illness as a policy analyst, and she has testified in front of U.S. government officials, authored peer-reviewed papers, and helped draft federal regulations.

Dr. Coffman received a Ph.D. in Environmental Epidemiology from the Johns Hopkins Bloomberg School of Public Health and an M.S. degree from the University of California–Berkeley in Global Public Health and the Environment.

Sherry Brice-Williamson, M.B.A. is the Vice President of Global Quality and Food Safety at the Kellogg Company, where she oversees end-to-end food safety and quality for Kellogg's internal and external network. Sherry has over 20 years of experience in the industry and joined Kellogg in 2012 as part of the Pringles acquisition from P&G. She has served in numerous supply chain roles in the company, ranging from operations to quality. Sherry was promoted to Vice President of Global Food Safety and Quality in January 2020. 

Sherry is on the SSAFE board of directors and is affiliated with a number of other industry associations such as Stop Foodborne Illness, where she is an Alliance member. Sherry also co-chairs the national chapter of KAARG (Kellogg African American Resource Group). Sherry holds B.S. and M.B.A. degrees in Business Management and is a member of the Golden Key International National Honors Society.

Megan Kenjora, M.P.A. is the Senior Manager of Food Safety Culture at The Hershey Company, where she leads a diverse global team to embed food safety in the hearts and minds of all Hershey employees. Megan has extensive experience building relationships among diverse groups, getting cross-functional support, and effectively communicating messages across cultures.

Megan was an engaged member of the Global Food Safety Initiative (GFSI) Technical Working Group that authored the GFSI position paper, “A Culture of Food Safety,” and served as the inaugural chair of the International Association for Food Protection (IAFP) Food Safety Culture Professional Development Group. Bringing a passion for food safety culture, she currently serves on the planning committee and numerous working groups as part of the Alliance to Stop Foodborne Illness.

A combat veteran who served eight years in the U.S. Army, Megan came to Hershey in 2014 from Raytheon, where she specialized in adult learning for various intelligence courses. She is a lifelong learner and an advocate for DEI, serving as a co-lead for the Hershey Veterans Business Resource Group. Megan is an M.B.A. candidate at UNC Kenan-Flagler Business School, and she holds an M.P.A. from Penn State University, B.A. degrees in Political Science and Classics from Bucknell University, and a Korean linguist certification from the Defense Language Institute.

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.

Kris Sollid, RD, is the Senior Director for Research and Consumer Insights at the International Food Information Council (IFIC). A registered dietitian with a passion for improving nutrition science communications, his role at IFIC includes leading consumer research projects, educational resource development, social and traditional media engagement, and written contributions to various consumer, trade, and peer-reviewed publications.