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	Robert Battalio, PE Chief Engineer
Patricia Berryhill Community Development Deputy Leader	Bobbette Biddulph, AICP Southern California Regional Director	Annette Bonilla, SPHR Director of Human Resources	Ann Borgonovo, PE Environmental Hydrology Leader
David Buecker Energy and Industrial Leader	Ellen Cross Senior Vice President of Strategic Development	Erich Fischer California Biological Resources and Land Management Leader	Jeff Haltiner, PhD, PE Environmental Hydrology 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	Brian Ramos, PhD Northern California Regional Director	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