Dangerous Catch Dirty Secrets Additional Episodes
TV Schedules About the Project For Educators Feedback border
National Geographic's Strange Days on Planet Earth
Get Involved
Little changes... with big results. border
Strange Days on Planet Earth
border About the Series border border

About the Project

About Edward Norton

About Production
» About the Producers
» On-Camera Talent Bios
» Series Credits
» Production Partners
» Funders and Sponsors
» Behind the Scenes

Our Advisors

Our Consortium

Press Kit

Season 1 Details

Please note that links marked with Off-site Link are off-site links and will open in a new browser window.

PBS's Terms of Use.

Donald Edward Tillitt, Ph.D.
Environmental Toxicologist
Columbia Environmental Research Center
U.S. Department of Interior, Geological Survey

Donald Tillitt is an environmental toxicologist with the U.S. Department of Interior, Geological Survey.  He leads the Biochemistry & Physiology Branch of the Columbia Environmental  Research Center, Columbia, MO.  He holds degrees in biochemistry (B.S. 1981), fisheries and wildlife (B.S. 1981, M.S. 1986) and environmental toxicology (Ph.D. 1989), all from Michigan State University. 

His areas of expertise include effects of persistent organic pollutants and nutritional stress on the development of larval fish and the health of adult fish. His current focus is on early life stage toxicity in fish, reproductive toxicology in fishes, endocrine disruption, and monitoring of fish health in the environment.

Tillitt also holds adjunct professor appointments in the Biochemistry Department and the Department of Fisheries and Wildlife Sciences at the University of Missouri.  He serves on graduate student advisory committees, offers guest lectures, and teaches Environmental Toxicology through the Department of Fisheries and Wildlife Sciences.  He is an active member of the Society for Environmental Toxicology and Chemistry (SETAC).

Visit Tillitt's Career’s in Science page»


Site Credits   |   Privacy Policy
© Copyright National Geographic Television & Film. All rights reserved.