Our Team

Edgar Garibay grew up in Uruapan, Michoacán, Mexico, and came to Modesto at the age of 8. As a first generation college student, he graduated from California State University, Stanislaus, with a B.S. in Psychological Sciences and a B.S. in Biological Sciences with a minor in Chemistry. Edgar has served in the community through volunteer work at various community-based organizations for over 10 years.

Edgar Garibay

Community Riverside Organizer

Lauren began her career in development at UC Santa Barbara by writing grants to implement environmentally-conscious programs across the campus. She holds a B.A. in Environmental Studies and wrote her thesis on the climate implications of campus water use, specifically quantifying the energy-intensity of UCSB’s water sources. She comes to TRT from the Bay Area nonprofit sector, with experience in western water resource management, grant writing, and advocacy.

Lauren Barnum

Development Manager

Marisol began with the Trust in early 2016. She brings to the Trust over 10 years of financial and administrative management for various non-profits in California. Marisol has received a bachelor’s from UCLA and her accounting certificate from UC Berkeley Extension.

Marisol O’Connor

Finance Director

Before joining the Trust in January 2007, Meg was with the Great Valley Museum, in Modesto, where she managed the Traveling Teacher staff and worked on program development. Before moving to California, Meg worked for the Tierrenuestra Foundation in Paraguay. She has worked as an educator and field biologist in Paraguay and Vermont.

Meg Gonzalez

Central Valley Director of Outreach Education

Patrick Koepele has been with the Trust since July of 2000. Prior to joining the Trust, Patrick worked as a Water Resources and Restoration Planner with the U.S. Army Corps of Engineers, acquiring deep knowledge of restoration issues and activities throughout the Central Valley. Patrick's experience includes surveying, groundwater, river and bank erosion studies.

Patrick Koepele

Executive Director

Peter Drekmeier, Policy Director, joined the Trust in August 2007. Raised in Palo Alto on Hetch Hetchy water, Peter knows the Bay Area well. In 1990 he founded Bay Area Action (now Acterra), and has coordinated two international Earth Day campaigns. He has extensive experience working on land use initiatives. Peter is a whitewater rafting guide and a former mayor of Palo Alto.

Peter Drekmeier

Policy Director

Raquel is a graduate of California State University, Stanislaus with a B.S. in Biology. She has been involved in TRT in various capacities over the last three years including: volunteering for our Citizen Water Quality Monitoring program, Dos Rios restoration work days, Paddle to the Sea, and numerous outreach events. She has worked as a facilitator for our environmental education programs as well as supported our community organizing work in the Airport Neighborhood.

Raquel Rangel

Tuolumne River Adventure Club Program Coordinator

A native of Boston, Seth comes to the Trust after a decade in Southern California. Since graduating with a Master's in Urban and Regional Planning from the University of California, Irvine in 2007, he has been active in land-use planning in both the public and nonprofit sectors in the San Diego region. He currently lives in Sonora with his wife and children.

Seth Connolly

Restoration Manager

Will Derwin grew up drinking Tuolumne River water in Portola Valley, CA and worked as a summer intern for TRT in 2008 and 2009. He then went off to earn a B.S. in Environmental Science from the University of San Francisco and a J.D. from Georgetown Law. He enjoys climbing, rafting, fly fishing, and following Bay Area sports.

Will Derwin

Bay Area Education Coordinator & Policy Associate