Urvashi Rangan, PhD, is an environmental health scientist and toxicologist. She leads Consumer Reports’ Consumer Safety and Sustainability Group and serves as the Executive Director of its Food Safety and Sustainability Center. Dr. Rangan directs all of the organization's scientific risk assessments related to food and product safety, which she translates into actionable recommendations for both lawmakers and consumers. Most recently, she was the architect of the organization’s studies of arsenic in apple juice and rice and is a national expert on labels.

Michael K. Hansen, PhD is a Senior Scientist with Consumers Union, the policy and advocacy arm of Consumer Reports. He works primarily on food safety issues and has been largely responsible for developing the organization’s positions on the safety, testing and labeling of genetically engineered food and “mad cow” disease.  Dr. Hansen served on the USDA Advisory Committee on Agricultural Biotechnology from 1998-2002, and on the California Department of Food and Agriculture Food Biotechnology Advisory Committee, from 2001-2002.

Michael Crupain, MD, MPH, is the Director of Consumer Reports’ Food Safety and Sustainability Center where he directs the day-to-day operations of the organization’s food-safety testing. He joined Consumer Reports in 2012 and is a trained physician in Preventive Medicine with expertise in public health-based risk assessment. Dr. Crupain received his Masters in Public Health from the Johns Hopkins School of Public Health, where he is also an adjunct professor.