Paul Tremel, MS, PE*

Managing Director

Timothy Connolly

Director Corporate Development

Susan Gilbert, PE*, ENV SP, MBA

Director of Discipline Services

Jim Tress, Jr., MNS

Exec. Director Environmental Services

Mark Taylor, PE*

Sr. Technical Advisor

Rick Schonfeld, BS, RLA, ASLA

Senior Technical Advisor

Brian Lindenlaub, BS

Discipline Service Lead - Clean Water Act & Mining

David Cerasale, PhD

Discipline Service Lead - Nat. Res.| West Area Lead

Rich DeLong

Discipline Services Lead | Mining

Avi Buckles, MA

Cultural Resources Director - Community Outreach

Jocelyn Bernatchez, PhD

Cultural Resources Director - Archaeology & Historic Preservation

Ron van Ommeren, MS

Environmental Director | SW

Jennifer Hushour, MSc, RPA

Director of Cultural Resources | West

Ellen Farley

Reno Operations Manager

Angie Cole, MBA

Marketing Director

Manuel Valdivia

Human Resources Director

David White

Safety Program Lead

Tom Klimas

Project Manager