| American Board of Emergency Medicine | Member, Medical Toxicology Subboard | 2018 - Present |
| US Department of Health and Human Services, National Biodefense Science Board | Committee Member | 2018 - Present |
| American College of Medical Toxicology | Medical Director, Pediatric Environmental Health Specialty Unit Program - Western Operations (PEHSU West) | 2014 - Present |
| American Academy of Pediatrics | Executive Committee, Council on Environmental Health | 2013 - Present |
| Yale University | Chair, Provost Advisory Committee - Students & Employees with Disabilities | 2011 - Present |
| Yale Lead & Healthy Homes Program | Director | 2005 - Present |
| American Board of Emergency Medicine | Member, Medical Toxicology Subboard | 2005 - 2010 |
| American Academy of Pediatrics | Committee on Injury, Violence, and Poison Prevention | 2004 - 2010 |
| Center for Children's Environmental Toxicology | Director | 2003 - Present |
| Yale School of Medicine | Director, Medical Toxicology | 2000 - Present |
