Dr. Robert (Bob) Powitz is the principal and technical director of R.W.Powitz & Associates. There, he specializes in forensic sanitation services to industry, law firms, insurance companies, and government agencies. Bob has dedicated his career to food safety having worked for over 54 years to study, develop, and implement the most effective sanitation practices.

Bob has served as director of environmental health and safety and biological safety officer at Wayne State University where he also held the title of Adjunct Associate Professor in the College of Engineering. He also served as director of biological safety and environment for the U.S. Department of Agriculture as well as health director for five different towns in Connecticut. 

He is currently the public health consultant for the Bucks County, PA, Department of Corrections.

Bob received his undergraduate education in agronomy and plant pathology from the State University of New York and the University of Georgia. He holds a M.Sc. in Public Health with a specialty in institutional environmental health and a Ph.D. in environmental health, with specialties in environmental microbiology and epidemiology from the University of Minnesota School of Public Health. He also has a very long list of honors including, most impressively, a spot on the Food Safety Magazine Editorial Advisory Board.

​In this episode of Food Safety Matters, we speak to Bob [35:25] about:

• The overuse of chemicals and sanitizers and why relying too much on them is a problem
• Faulty ventilation systems, condensation, and leaks—how these problems can lead to the active growth of biofilm
• His plan of action when he sees chemicals being used incorrectly in a food plant
• Integrated cleaning and measurement
• New clean-in-place methods, steam, dry ice, carbon dioxide, hydrogen peroxide, and other green ways to clean
• Why the regulatory community needs to buy into green cleaning methods
• Assessing a cleaning and sanitizing methodologies
• Why more cleaning products need to be evaluated to a standard like NSF International
• Innovating cleaning technologies that have originated in Europe, the Pacific Rim, and elsewhere.
• An example of a time he could not find the source of confirmed Listeria contamination in a ready-to-eat processing facility
• His advice to future sanitarians

Bob Powitz's Articles in Food Safety Magazine
Checking Field Thermometer Accuracy 
Chemical-Free Cleaning: Revisited 
Non-EPA Registered Cleaners and Sanitizers for Use in Food Production Facilities and Retail Food Establishments

Want more from Bob Powitz? Find more of his articles on Food Safety Magazine.

Bob Ferguson's Food Safety Insights [25:19]
Bob joins us to discuss FDA's comments regarding survey results that appeared in the April/May article:
What Industry and FDA are Thinking about FSMA Implementation—Part II

Want more from Bob Ferguson? Find more of his articles and podcast segments.

​News Mentioned in This Episode
VIDEO: Burger King Employee Caught Cleaning Table with Floor Mop [4:50]
FDA Holds First-Ever Public Hearing on Regulating CBD Products ​[9:41]
Kroger and Costco Frozen Berries Recalled a Month After FDA Announces Surprise Testing [21:28]

Johanna Velez is Vice President of Quality Assurance for Monin Americas, having joined the brand in 2002. With more than 27 years in the food industry, Johanna has a wealth of experience in leading, directing, and guiding the company’s food safety and quality programs at all Monin North America locations. She successfully led Monin to achieve Safe Quality Foods (SQF) and Organic certifications for both the Clearwater, Florida and Sparks, Nevada facilities, resulting in an "Excellent" rating for the brand’s food safety practices. Prior to Monin, Johanna spent five years at Wild Flavors (now Archer-Daniels-Midland Company) in Cincinnati, Ohio. She is a member of the Institute of Food Technologists (IFT), including the Florida IFT Division, as well as the Bay Area Manufacturers Association (BAMA). Johanna graduated from Louisiana State University and later attended Michigan State University to obtain her certification in Food Law and Regulations.

Carolyn Ross, Ph.D., M.Sc. is a Professor in the School of Food Science at Washington State University (WSU), Affiliate Professor in the WSU School of Medicine, and Director of the WSU Sensory Science Center. Since starting at WSU in 2004, Dr. Ross has established her lab and the WSU Sensory Science Center as a hub for graduate student training in the areas of sensory science and analytical chemistry. Specifically, the overall objectives of Dr. Ross's research and graduate education program are to understand the theoretical basis underpinning the sensory perception of foods and wines and correlate these attributes with quantifiable characteristics. Dr. Ross has also expanded her research to explore food texture perception in children. She has thrice been awarded the Institute of Food Technologists' (IFT's) Tanner Award for most‐cited article in the Journal of Food Science (in the Sensory and Food Quality section). Dr. Ross was also awarded the WSU Faculty Excellence Award for Instruction and is a Fulbright-Australia Scholar at Deakin University in Melbourne. She holds a Ph.D. in Food Science/Environmental Toxicology from Michigan State University and an M.Sc. degree in Food Science from the University of Guelph.

Lone Jespersen, Ph.D. is a published author, speaker, and the Principal and Founder of Cultivate SA, a Swiss-based organization dedicated to eradicating foodborne illness, one culture at a time. Dr. Jespersen has worked to strengthen food safety through organizational culture improvements for 20 years, since starting at Maple Leaf Foods in 2004. She chaired the Global Food Safety Initiative (GFSI) technical working group "A Culture of Food Safety," chaired the International Association of Food Protection (IAFP) professional development group "Food Safety Culture," and was the technical author on the BSI PAS320 Practical Guide to Food Safety Culture. Dr. Jespersen holds a Ph.D. in Culture Enabled Food Safety from the University of Guelph in Canada and a master's degree in Mechanical Engineering from Syd Dansk University in Denmark. She is also a visiting Professor at the University of Central Lancashire in the UK. Dr. Jespersen serves as Chair of the IFPTI Board and as Director on the STOP Foodborne Illness Board. She is also a member of the Editorial Advisory Board of Food Safety Magazine and a member of the Educational Advisory Board of the Food Safety Summit.

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.