Endangered Species Recovery Program

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Endangered Species Recovery Program Staff


Associate Director

CSU Stanislaus Campus (Turlock, CA)

Fresno, California

Bakersfield, California

Mojave Desert

  • Philip Leitner, Ph.D.

Program Founder

Research Fellows

  • David E. Grubbs, Ph.D.
  • James L. Patton, Ph.D.
  • Katherine Ralls, Ph.D.
  • Jeff Single, Ph.D.

Research Associates

Jennifer Banbury

Jenner Banbury, Administrative Coordinator, joined ESRP in September 2011. Jenner is responsible for the accounting, personnel and office coordination of our Turlock, Fresno and Bakersfield offices. Jenner received her M.A. in Ecology and Evolutionary Biology from California State University, San Francisco in 2002.


Brian L. Cypher

Brian L. Cypher, Associate Director and Research Ecologist, coordinates several of ESRP's research projects on San Joaquin kit foxes. Brian's research emphasis is canids and other predators, but other research experience includes work with small mammals, reptiles, ungulates, and plants. He has been involved with research and conservation efforts on animals and plants in the San Joaquin Valley since 1990. Brian received a Ph.D. in Zoology from Southern Illinois University in 1991.


Tristan Edgarian


Patrick A. Kelly

Patrick A. Kelly, Coordinator and Director of ESRP, is a Professor of Zoology at California State University, Stanislaus and an Adjunct Associate Professor of Biology at California State University, Fresno. His main research interests are in mammalian ecology and conservation, and his current research focuses on the conservation and recovery of endangered mammals in California. He joined ESRP as Assistant Director in July 1993 and became Director in January 1996. Pat received a B.Sc. from University College Galway, Ireland, in 1981, and a Ph.D. from the University of California, Berkeley, in 1990.


Scott Phillips

Scott Phillips, GIS Analyst and Network Administrator, joined ESRP in November of 1995. Scott has done GIS and Remote Sensing work in the San Joaquin Valley since 1993. Scott received his M.A. in Geography from California State University, Fresno in 1997.


Christine Van Horn Job

Christine Van Horn Job, Biologist, started with ESRP in December 1998 assisting with monitoring in the urban kit fox study in Bakersfield. She is currently working on a Master's in Biology at Cal Poly State University, San Luis Obispo. She earned a B.S. in Biological Science from Cal Poly, San Luis Obispo, in 1992.


Daniel F. Williams

Daniel F. Williams, Founder of ESRP and Senior Scientist, also is Emeritus Professor of Zoology at California State University, Stanislaus. He founded ESRP in July 1992 and was Coordinator until his retirement in 2002. He continues to participate in ESRP programs on recovery of riparian brush rabbits, population ecology of giant kangaroo rats and blunt-nosed leopard lizards, and is a co-investigator on studies of Buena Vista Lake shrews and Coast Horned Lizards. His main research interests are in mammalian systematics, ecology, and conservation. Since retiring, he has pursued his hobby of photography and identification of Central Oregon flora. Dan received a Ph.D. from the University of New Mexico in 1971.

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