Keith Warriner, Ph.D., is a professor of food science at the University of Guelph. He is also the food science graduate coordinator of the department’s Master of Science and Ph.D. food science programs.

After completing his Ph.D. in microbial physiology at the University College of Wales, he worked for the Department of Medicine at the University of Manchester where he studied biosensors. He also attended the University of Nottingham as a research fellow in food microbiology, working with fresh produce. 

He joined the Department of Food Science at the University of Guelph in 2002 and was promoted to full professor in 2011. He is the former president of the Ontario Food Protection Association, a member of the International Association of Food Protection, is an associate editor of the Canadian Journal of Microbiology, and is on the editorial board for Applied & Environmental Microbiology and International Journal of Food Microbiology.

Keith's research revolves around food safety and food microbiology, allowing him to work closely with industry and apply his research findings in a practical way.

In this episode of Food Safety Matters, we speak to Keith Warriner Ph.D. about:

• Effective antimicrobial treatments for fresh produce
• Ridding leafy greens of microbial contamination
• His research looking at pathogen survival in different types of soil, and the impact of soil temperature
• His thoughts on what happened in the U.S. romaine lettuce outbreak
• Clostridium difficile and its persistent presence in meat, seafood, and fresh produce
• The new development of biosensors, and how they detect pathogens
• The Internet of Things and how it can be used to track data and produce results
• Challenges with contamination in low-moisture food products
• The use of food-contact antimicrobial coatings
• How getting certain products or processes is easier to get approved in the U.S. vs. Canada
• The One Health approach, which focuses on animal health, which would then lead to safer food
• The Highly Qualified Personnel Scholarship Program

Food Safety Magazine articles written by Keith:
Control of Listeria monocytogenes on Food-Contact and Noncontact Surfaces by Antimicrobial Coatings
Developing a Cost-effective Sanitation Plan for Small-to-Medium Processors

News Mentioned in This Episode:
Larry Keener's IUFoST Lifetime Achievement Award 
Deirdre Schlunegger to Retire from Stop Foodborne Illness

FDA Update on Romaine Lettuce Outbreak as Yuma, AZ, Growing Season Begins | FDA's environmental assessment 
California LGMA Updates Food Safety Practices Prior to the Desert Growing Season 
FSMA Produce Safety Rule Meetings in Albany, Anaheim, Atlanta, and Portland | FDA meeting page 
FDA Q&A on Mandatory Recalls

Takashi Nakamura, Ph.D. has served as Vice President of Food Safety for Fresh Del Monte since 2019. Previously, he worked in various senior research and development roles at Bumble Bee Foods and Bacardi, was the Vice President of Global Product Formulation and Worldwide Research and Development/Scientific Affairs at Herbalife, and was the Category Technical Leader for Portable Wholesome Snacking and Frozen Breakfast at Kellogg's. Dr. Nakamura serves on the Center for Produce Safety (CPS) Technical Committee and the Canadian Produce Marketing Association (CPMA) Food Safety Committee, and has represented Fresh Del Monte with the International Fresh Produce Association (IFPA). He is an active member of the International Association for Food Protection (IAFP). He received a Ph.D. in Engineering from Purdue University and an M.B.A. degree from the University of North Florida. 

José Emilio Esteban, D.V.M. was sworn in as the U.S. Under Secretary for Food Safety on January 4, 2023. In this role, he leads the Office of Food Safety at the U.S. Department of Agriculture (USDA), overseeing the Food Safety and Inspection Service (FSIS), which has regulatory oversight for ensuring that meat, poultry, and egg products are safe, wholesome, and properly labeled.

Sandra Eskin, J.D. was appointed U.S. Deputy Under Secretary for Food Safety on March 24, 2021. In this role, she leads the Office of Food Safety at USDA, overseeing FSIS.

Prior to joining USDA, Mrs. Eskin was the Project Director for Food Safety at The Pew Charitable Trusts in Washington, D.C., a position she held since November 2009. She also served from 2008–2009 as the Deputy Director of the Produce Safety Project, a Pew-funded initiative at Georgetown University. 

Steve Voelzke is a seasoned executive with over 34 years of experience in engineering and manufacturing leadership roles. His expertise lies in automation and electrical engineering projects, having successfully managed global-scale initiatives throughout his career. As Steve transitioned into the manufacturing sector, he brought his knowledge and vision to Robroy Industries, a prominent manufacturer. He assumed key leadership positions there and became a driving force behind innovation efforts. Steve's commitment to driving growth and innovation is evident through his numerous patents related to evolutionary products. His dedication to community service and philanthropy further highlights his passion for making a positive impact in his community and the industry.

Jeannie Shaughnessy is CEO of the Peanut and Tree Nut Processors Association (PTNPA), where she leads the association in fulfilling its mission and vision while managing daily operations. She works closely with the Board of Directors, Advisory Board, and Strategic Committees to shape and guide PTNPA in its ongoing and long-term strategies. Jeannie has more than 30 years of management and consulting experience with a focus on business operations and optimization, organizational development, change management, and communications. She is a trained Executive Coach, a certified facilitator, and a graduate of the Harvard Business School Social Enterprise Program, while also being a two-time business owner. Additionally, Jeannie has proudly served as a board member for many nonprofit organizations over the past 35 years.

Scott Gustin is a native of Gloucester, Virginia, where he grew up on a small family farm raising registered Angus and Hereford cattle. He received his undergraduate degree and veterinary degrees at Virginia Tech in 1999 and 2002, respectively, before continuing on to receive his Masters in Avian Medicine at the University of Georgia. In 2004 Scott began his veterinary career at Cobb-Vantress in Siloam Springs, Arkansas. While at Cobb his roles included technical service for North America and Asia, internal veterinary service, and the World Director for Quality Assurance focusing on Salmonella eradication programs. Following Cobb, Scott worked for Tyson Foods for 12 years as the Managing Director of Veterinary Services for domestic poultry in Springdale, Arkansas. At presnt, Scott is a Technical Advisor for Elanco Animal Health focusing on bird health and food safety.

Brendan A. Niemira, Ph.D. is a research microbiologist with the U.S. Department of Agriculture's Agricultural Research Service (USDA's ARS) in Wyndmoor, Pennsylvania, and a graduate of the University of Chicago and Michigan State University. His research develops and validates cold plasma, pulsed light, radiofrequency energy, and other nonthermal food processing technologies. He has published over 180 peer-reviewed research articles, book chapters, and critical reviews, is the co-editor and author of a well-regarded reference text, and holds one patent. Dr. Niemira is a Fellow of the Institute of Food Technologists (IFT) and a past member of the IFT Board of Directors. He currently serves on the Educational Advisory Board for the Food Safety Summit. A member of IFT, the International Association for Food Protection, and the American Society for Microbiology for more than 20 years, he also serves on the editorial boards for the Journal of Food Protection and Applied and Environmental Microbiology. He received the 2016 U.S. Department of Defense Award for Excellence and the 2020 Federal Laboratory Consortium Technology Transfer Innovation Award.