David T. Dyjack, Dr.P.H., CIH has served as Executive Director and CEO of the National Environmental Health Association (NEHA) since May 2015. Dr. Dyjack's 30-year career includes expertise in environmental health, emergency preparedness and response, public health informatics, infectious disease, workforce development, governmental infrastructure, maternal and child health, health equity, and chronic disease. A board-certified industrial hygienist, Dr. Dyjack also has advanced degrees in public health with a doctorate from the University of Michigan and a master's degree from the University of Utah.

Kathy Knutson, Ph.D., PCQI, is educated in bacteriology, food science, and education. She speaks, writes, and trains on compliance for the Food and Drug Administration's (FDA's) Food Safety Modernization Act (FSMA). She has trained over 500 Preventive Controls Qualified Individuals (PCQIs). Dr. Knutson works with managers to write thorough hazard analyses, food safety plans, recall plans, environmental monitoring programs, and allergen programs. In 2020, she published a book, Food Safety Lessons for Cannabis-Infused Edibles. Dr. Knutson travels to manufacturers for swabbing to locate a pathogen during recall investigations and for gap assessments of Good Manufacturing Practices (GMPs).

Michael (Mick) Dutcher, D.V.M., is the Acting Deputy Associate Commissioner for Food Products in the Office of Inspections and Investigations (OII) at the U.S. Food and Drug Administration (FDA). He leads the Food Products Inspectorate, which includes the Office of Human Food Inspectorate (OHFI) and the Office of Animal Food Inspectorate (OAFI). Dr. Dutcher directs FDA's Food Products Inspectorate staff responsible for conducting domestic and foreign inspections, investigations, and product sample collections at human and animal food manufacturers and on farms covered by the Produce Safety Rule. 

In this special 200^th episode of Food Safety Matters, our hosts look back at the podcast’s eight-year history, sharing their stories and experiences, as well as reviewing some of the show’s most memorable episodes and guests.

Vic Fox is a Poultry Account Manager at Elanco. Prior to his time at Elanco, Fox worked as a Breeder Hatchery Manager, Live Production Manager, and Complex Manager, granting him a holistic view into live production, with a special focus on food safety. Vic earned his bachelor's degree in poultry science from North Carolina State University, and he is currently based in Virginia.

George G. Misko, Esq. is a Partner at Keller and Heckman LLP in Washington D.C. He counsels domestic and foreign clients on food and drug matters and advises clients on regulatory requirements relating to chemical substances specific to food contact, plastics, and food products in the U.S. and other jurisdictions, including Canada, the EU, Latin America, and the Asia-Pacific region. George also has experience in counseling on environmental concerns, including pesticide regulation, right-to-know laws, and toxic substance control regulations. He represents trade associations and is legal counsel to the Global Silicones Council. 

Kyle Diamantas, J.D. is the Deputy Commissioner for Human Foods at the U.S. Food and Drug Administration's (FDA's) Human Foods Program (HFP), where he oversees all FDA nutrition and food safety activities. As FDA's top food executive, Mr. Diamantas sets the strategic direction and operations for food policy in the U.S., while serving as a critical liaison between FDA, the U.S. Department of Health and Human Services (HHS), and the White House. He also represents the agency on food activities and matters in dealings with foreign governments and international organizations.

Conrad Choiniere, Ph.D. is the Director of the Office of Microbiological Food Safety (OMFS) at FDA’s HFP. OMFS uses a risk management approach to evaluate and determine priorities that will help reduce the burden of pathogen-related foodborne illness in foods regulated by FDA, leads the development of risk-based policies, provides regulatory oversight, and recommends research priorities related to microbiological food safety. Dr. Choiniere joined FDA in 2003. He has a Ph.D. in Agricultural and Resource Economics from the University of Maryland and a B.S. degree in Chemical Engineering from Johns Hopkins University.