Leadership

Our team of managers, scientists, planners, and engineers delivers sustainable solutions based on sound science and technical excellence. We’re collaborative, fun, and work together to raise industry standards.

Our clients' challenges come in all forms, from resolving complex public issues to meeting demanding deadlines and unique regulatory requirements. We provide solutions that are creative and effective with an unparalleled mix of minds, capabilities, and ingenuity.

Our team includes emerging industry experts, adventurous enough to arrive at new and daring solutions to familiar challenges; and experienced experts deeply engaged in their respective fields.

Molly Adolfson Pacific Northwest Water Leader	Steve Alverson Airports Leader	Mike Arnold, LEED AP Airports Deputy Leader	Patricia Berryhill San Francisco Bay Area Regional Director
Bobbette Biddulph, AICP Southern California Regional Director	Annette Bonilla, SPHR Director of Human Resources	Ann Borgonovo, PE ESA PWA Director of Operations	Jeff Caton, PE, LEED AP Renewable Resources Director
Jean Chen Corporate Controller	Doug Cover, QEP Energy and Industrial Leader	Ellen Cross Senior Vice President of Strategic Development	Lisa Crossett, LEED AP Corporate Marketing and Communications Director
Erich Fischer Central Valley / Sierra Regional Director	Jeff Haltiner, PhD, PE ESA PWA Principal Director	Deanna Hansen Southern California Community Development Director	Mitch Marken, PhD, LEED AP Cultural Resources Leader
Cathy McEfee Central Valley / Sierra Region Water Director	Leslie Moulton California Water Leader	Jim O’Toole California Water Deputy Leader	Gary Oates President
Eric Ruby Chief Operating Officer	Lloyd Skinner, AICP Pacific Northwest Regional Director	Julie Sullivan Southeast Regional Director	Greg Thornton Chief Financial Officer
Teresa Vanderburg Biological Resources and Land Management Leader	Philip Williams, PhD, PE, Eur. Ing. Distinguished Technical Advisor	Lloyd Zola Community Development Leader