Leadership

Board of Directors

Doug Guerrant

President

Principal Hydrogeologist, PG, CHG, CEM

Randy Miller biking

Randy Miller

Vice President

Principal Engineer, PE, CEM

Jonathan Bell

Board Member At Large

San Antonio Manager

Principal Geologist, PG, CAPM, CEM

Scott McNulty on boat

Scott McNulty

Secretary

Air/Stack Testing Manager

Principal Geologist, PG, CHG, CEM

Kirk Stowers

Treasurer

Las Vegas Co-Manager

Principal Geologist, PG, CEM

Corporate Support Staff

Technical Leads

Bryan Vetrano head shot
Bryan Vetrano biking and with family

Health & Safety Specialist

Associate Industrial Hygienist, CIH, CSP, CEM

Jason Hoffman outside

Denver Manager

Principal Geologist, REP, CEM, ASP

Stack Testing Technical Consultant

Associate Scientist

Margo Memmott in bucket

Cultural Resources Manager

Associate Archaeologist, RPA

Mark Kazelskis having fun

Las Vegas Co-Manager

Principal Geologist, PG, CHG, CEM

Matt Herrick outside

Reno Manager

Principal Hydrogeologist, PG, CHG, CEM

sUAS (Drone) Services Manager

Associate Scientist

Fort Collins Manager

Senior Geologist

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