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.

Campbell Mitchell, M.B.A. is Head of Food Safety and Compliance for Kraft Heinz North America. He has more than 30 years of international experience in food safety, quality management, and risk mitigation. Prior to joining Kraft Heinz, Campbell served as Vice President of Quality and Safety at Fairlife LLC, a $4-billion Coca-Cola-owned dairy brand. He has also held senior leadership roles with Kerry Group and Almarai in the Middle East. Additionally, he founded a consultancy that supported Tiger Brands in Africa.

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.