Cooper, Jill F.


Jill Cooper is the Co-Director of the UC Berkeley Safe Transportation Research and Education Center (SafeTREC).  She facilitates multi-disciplinary traffic safety and injury prevention planning.  She is the principal investigator on projects involving pedestrian and bicycle safety, crowdsourced data collection, community-level safety planning, and statewide highway safety planning. 

Jill has also served as a mediator, and has taught mediation and negotiation at several universities. She received a Masters degree in Social Welfare from UC Berkeley.

Grembek, Offer


Dr. Offer Grembek is a researcher and lecturer at the University of California Berkeley. He serves as the Co‐Director at the university’s Safe Transportation Research and Education Center (SafeTREC), a research center affiliated with the UC Berkeley School of Public Health and the UC Berkeley Institute of Transportation Studies. Dr. Grembek is a member of the Transportation Research Board Committee on Transportation Safety Management (ANB10), and the Co‐Chair of the TRB Global Road Safety Subcommittee (ANB10(8)). As a Principal Investigator, Dr.

Ragland, David R.

Co-Director, SafeTREC

Dr. Ragland is the founding director of SafeTREC and an Adjunct Professor Emeritus of Epidemiology at the UC Berkeley School of Public Health.  He has been the PI on numerous projects funded at SafeTREC (more than $30M since 2000).  Dr.

Rice, Thomas M.

Thomas Rice serves as a Research Scientist at the Safe Transportation Research & Education Center (SafeTREC) at UC Berkeley. He received his MPH (2000) and PhD (2004) degrees in Epidemiology from the UCLA School of Public Health and worked as a researcher at the UCLA Southern California Injury Prevention Research Center from 2000 to 2005. Dr. Rice’s research interests include motorcycle safety, occupant restraint systems, law enforcement traffic safety, and statistical methods.