Bradford D. Hollingsworth, Ph.D., The Laurence M. Klauber Curator of Herpetology

Brad has served as the department’s curator since 2000. Prior to this he worked as a postdoctoral fellow, guest curator of exhibits, expedition lead herpetologist, museum store employee, and volunteer. He received his doctorate from Loma Linda University and both his M.S. and B.S. from San Diego State University. Brad’s research focuses on the evolution and biogeography of the herpetofauna of Baja California and its associated islands. Brad is also an Adjunct Professor at San Diego State University. Brad can be reached at 619.255.0277 or

Herpetology Collections Manager

For collections related inquiries, please contact the curator. This position is currently open and applications due November 15th. Interested candidates should have superior organization skills, an advanced degree, and be passionate about amphibians and reptiles.

Research Associates

Patricia Galina Tessaro, Ph.D., Centro de Investigaciones Biologicas de Noroeste

Lee Grismer, Ph.D., La Sierra University

Tod Reeder, Ph.D., San Diego State University

Dean Leavitt, Ph.D., San Diego Mesa College

Departmental Associates

Anny Peralta-Garcia, Ph.D., Fauna del Noroeste

Clark Mahrdt, Southwest Biological Associates

Frank Santana, City of San Diego

Dick Schwenkmeyer, San Diego Mesa College, Retired

Jorge H. Valdez Villavicencio, Fauna del Noroeste

Dustin Wood, United States Geological Survey


The normal day-to-day accomplishments of the department would not be feasible without our core group of volunteers. Volunteer projects include making fieldguide webpages, digital mapping, fieldwork, and collections renovation.

The department is currently not accepting new volunteers. 

Be sure to check out other volunteer opportunities on the  Current Needs page. We offer a wide range of activites for individuals interested in natural history.