David has over 35 years of experience in food safety and infectious diseases which led him to the forefront of food safety. After 12 years of experience in cellular and molecular biology with Tufts University and the New England Medical Center, he joined in 2002 the US FDA Center for Food Safety and Applied Nutrition (CFSAN). After serving as the director of CFSAN’s office of Food Defense, Communication and Emergency Response, David was appointed Assistant and then Associate Commissioner for Foods. From 2009 to 2013, David worked for Leavitt Partners and then founded The Acheson Group, a company specializing in Food Safety consulting and crisis management.