Coronavirus (COVID-19) Update
Enjoy a fully remote summer of professional education at the Silicon Valley Campus and the re-emergence of in-person courses in September. Visit our COVID update page.
Ronald Tjeerdema LinkedIn
RONALD TJEERDEMA, Ph.D., D.A.B.T., is an Associate Dean in UC Davis’ College of Agricultural and Environmental Sciences and a professor in the Department of Environmental Toxicology. He has taught for UCSC Extension since 1990.