Our Team

Serving our clients since 1974

Marv Allen, MS, PE
Marv Allen, MS, PE

Civil & Environmental Engineer,
Sr. Principal

Tyler Allen, PhD, PE
Tyler Allen, PhD, PE

Civil & Environmental Engineer,
Chief Operating Officer

Andrew Alvaro, BS
Andrew Alvaro, BS

Environmental Services Director

Brian Andrew, MS, PE
Brian Andrew, MS, PE

Irrigation Engineer,
Principal

Tyler Ashby, MS, PE
Tyler Ashby, MS, PE

Civil & Environmental Engineer

Mark Atencio, MS, PE
Mark Atencio, MS, PE

Civil Engineer,
Sr. Project Manager

Jeff Beverley, BS, PE
Jeff Beverley, BS, PE

Civil Engineer

Jason Biesinger, MS PE
Jason Biesinger, MS PE

Civil & Environmental Engineer

Trevor Blanco
Trevor Blanco

Information Technology

Mike Chambers, MS, PE, PMP
Mike Chambers, MS, PE, PMP

Civil Engineer,
Principal

Bob Chandler
Bob Chandler

Designer

Tyler Daynes, MEng
Tyler Daynes, MEng

Environmental Engineer

Danisa Dolder, MS
Danisa Dolder, MS

Civil Engineer

Kathryn Floor, MS
Kathryn Floor, MS

Environmental Engineer

Kellie Goddard, BS, CPSM
Kellie Goddard, BS, CPSM

Director of Business Development, Communications and Public Involvement

Scott Greenhalgh, MS, PG
Scott Greenhalgh, MS, PG

Professional Geologist

Ridley Griggs, MEng, PE
Ridley Griggs, MEng, PE

Civil & Environmental Engineer,
Project Manager

David Hansen, PhD, PE
David Hansen, PhD, PE

Sr. Principal

Cindy Aiello-Harris
Cindy Aiello-Harris

CAD Manager

Easton Hopkins, BS
Easton Hopkins, BS

Civil Engineer

Josh Hortin, MS
Josh Hortin, MS

Civil Engineer

Katie Jacobsen, BS, PE
Katie Jacobsen, BS, PE

Civil & Environmental Engineer,
Project Manager

Mark Jacobson
Mark Jacobson

Drafter

Celinda Jensen, MS
Celinda Jensen, MS

Civil Engineer

Delmas Johnson, MS, PE
Delmas Johnson, MS, PE

Civil Engineer,
Sr. Project Manager

Noelle Johnson
Noelle Johnson

Office Manager & Accounts Receivable

Dan Jones, MS, PE, CFM
Dan Jones, MS, PE, CFM

Civil Engineer,
Project Manager

Enoch Jones, MS
Enoch Jones, MS

Civil Engineer

Steven Jones, MS, PE
Steven Jones, MS, PE

Chief Executive Officer

Kai Krieger, MS, PE
Kai Krieger, MS, PE

Civil & Environmental Engineer,
Project Manager

Doug Lewis
Doug Lewis

Civil Designer

Stephen Marginson, BS, PE
Stephen Marginson, BS, PE

Civil Engineer

Ben Miner, MPA, PE
Ben Miner, MPA, PE

Sr. Principal

Gordon Miner, MEM, PE
Gordon Miner, MEM, PE

Civil Engineer
Sr. Project Manager

Trey McGhin, MS, PE
Trey McGhin, MS, PE

Civil Engineer

Laura Moyer, MAcc
Laura Moyer, MAcc

HR Manager & Accounts Payable

Tim Newell, MA, PLS, RLA
Tim Newell, MA, PLS, RLA

Survey Manager

Kate Herbert, BS
Kate Herbert, BS

Geologist

Jacob Nielsen, MS, PE
Jacob Nielsen, MS, PE

Civil & Environmental Engineer

Lance Nielsen, MS, PE
Lance Nielsen, MS, PE

Sr. Principal

Greg Poole, MS, PE
Greg Poole, MS, PE

Principal

Aaron Olney, BS
Aaron Olney, BS

Civil Engineer

Ashton Posacki
Ashton Posacki

Administrative Assistant

Kayson Shurtz, MS, PE
Kayson Shurtz, MS, PE

Associate, Civil & Environmental Engineer,
Project Manager

Aaron Spencer, BS, PE
Aaron Spencer, BS, PE

Civil Engineer

Zak Steele, BS, PE
Zak Steele, BS, PE

Civil & Environmental Engineer,
Project Manager

Garrick Stephenson, MEng, PE
Garrick Stephenson, MEng, PE

Civil & Environmental Engineer,
Project Manager

Vanessa Stewart
Vanessa Stewart

Executive Assistant

Greg Thomas, BS, PE
Greg Thomas, BS, PE

Civil Engineer,
Sr. Project Manager

Ted Wallace, BS
Ted Wallace, BS

Geologist

Drew Wangsgard, MS
Drew Wangsgard, MS

Civil Engineer

Ry Weber, MS
Ry Weber, MS

Civil & Environmental Engineer

Former Principals

Richard Noble, BS, PE
Richard Noble, BS, PE

Retired, Former Principal

William Luce, PE
William Luce, PE

Retired, Former Principal

Vaughn Hansen, PhD, PE
Vaughn Hansen, PhD, PE

(1921–2018) Founder, Former Principal

Bill Bigelow, MS, PE
Bill Bigelow, MS, PE

Retired, Former Principal

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