Dr. Mark Maddaloni has 35 years of professional work experience in the areas of environmental health, toxicology, and human health risk assessment. Prior to joining Cardno ChemRisk, he served as a senior toxicologist and the Regional Risk Assessment Coordinator in the Office of the Regional Administrator for EPA - Region 2. Mark has served on numerous EPA National Work Groups including: metals, asbestos, chemical mixtures, PCBs, perfluoroalkyl substances, and bioavailability. EPA recognized Dr. Maddaloni as a national expert in lead (Pb) risk assessment. Prior to joining EPA in 1991, Mark was employed as a clinical toxicologist at the New York City Poison Control Center (NYCPCC) where he specialized in occupational/environmental exposures. He has served on a CDC Pb Poison Prevention Advisory Committee and the New Jersey Department of Environmental Protection’s Science Advisory Board. He is presently the longest serving member (appointed in 2000) of the New York City Department of Health and Mental Hygiene’s Institutional Review Board (IRB). Dr. Maddaloni is a Diplomat of the American Board of Toxicology and a member of the Society of Toxicology.


  • Dr.P.H. Environmental Health Sciences, Columbia University, School of Public Health, 1998
  • M.S. Toxicology, St. John’s University, Graduate School of Pharmaceutical Sciences, 1983
  • B.S. Pharmacy, Long Island University, College of Pharmacy, 1980

Professional Associations

  • Society of Toxicology, Full Member
  • NJDEP Science Advisory Board, Past Member
  • CDC Pb Poison Prevention Advisory Committee, Past Member


  • Diplomat, American Board of Toxicology (1992); re-certification (1997, 2002, 2007, 2012, 2017)
  • American Assoc. of Poison Control Centers - Certification (1985)
  • New York State Licensed Pharmacist (1981)

Most Recent Awards/Professional Honors

  • Numerous EPA awards – plaques, pins, etc. available upon request
  • New York State Children’s Environmental Health Centers Award, 2018
  • Columbia U. Environmental Health Sciences Award of Excellence, 1998
  • Columbia U. Alumni Award, 1992