David is using his background in chemistry and nanotechnology research to investigate environmental health issues. His work focuses on finding ways to change national environmental regulations and government policies to protect public health. During his five years at EWG he has developed comprehensive knowledge of the regulatory processes affecting industrial chemicals, consumer products, cosmetics and nanomaterials. David has conducted more than 100 media interviews on various public health issues and frequently deals with federal agencies and legislative offices. His recent work has included collaborating on designing and building EWG’s consumer databases, highlighting the overuse of confidentiality claims submitted to EPA and organizing a conference for a federal initiative to set priorities for nanotechnology research. He holds a B.A. in chemistry from Wesleyan University (Connecticut) and a Ph.D. in chemistry from Northwestern. He has authored more than 10 scientific publications and holds a patent on quantum interference devices. David enjoys designing and building wooden furniture and traveling with his family.