Past Directors and Nobel Laureate | National Institute of Environmental Health Sciences Skip Navigation Past Directors and Nobel Laureate Close the left navigation Add Paul Kotin, M.D. NIEHS Director 1968–1971 David P. Rall, M.D., Ph.D. NIEHS Director 1971–1990 NTP Director 1978–1990 Kenneth Olden, Ph.D. NIEHS and NTP Director 1991–2005 David A. Schwartz, M.D., M.P.H. NIEHS and NTP Director 2005–2007 Linda S. Birnbaum, Ph.D., D.A.B.T., A.T.S NIEHS and NTP Director 2009–2019 Richard Woychik, Ph.D. NIEHS and NTP Director 2020–2025 Martin Rodbell, Ph.D., Nobel Laureate Nobel Prize in Physiology or Medicine 1994 NIEHS Scientific Director 1985–1989 Related Links Photos & Biographies, B-roll Back to Top Last Reviewed: January 26, 2026