Team

Leadership Team
Grenee Martacho

CEO

JV Nyman

President

Jason Beaver

COO

Bob Cashin

Director of Operations

Preconstruction
Derick Aidoo

Director of Estimating

McLean Johnson

Estimator

John Nyman

Client Liaison

Accounting/Administration
Becky Sorensen

Tucson Office Manager

Nancy Ensman

HR/Accounting Manager

Stephanie Ross

Controller

Summer Carroll

Office Coordinator

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Suzanne Urbanec

Accounting Associate

Marketing/Business Development
Brooke Wasowicz

Marketing Manager

Macie Chavez

Marketing Associate

Dale Marr

Client Liaison

Jen Rehse

Client Relationship Manager K-12

Lily Anderson

Visual Designer

Superintendents/Field Team
Damian Flores

Superintendent

Gabriel Trevizo

Senior Superintendent

Chris LaCour

Superintendent

r-bill-concord-m-12-2-21-006_pp-copy
Bill Hanna

Superintendent

Larry Montebello

Superintendent

Jeff Shaw

Superintendent

Ted Knisely

General Superintendent

Tom Rose

Senior Superintendent

Robert Florez

Superintendent

Ron Barter

Superintendent

Joe DeSimone

Superintendent

Austin Gutzwiller

Superintendent

Shayne Paul

Superintendent

Rob Waters

Superintendent

Mason Walter

Assistant Superintendent

Jaden Evans

Assistant Superintendent

Blake Rose

Assistant Superintendent

Leif Sattley

Assistant Superintendent

Jim Kirtland

Superintendent

Project Coordinators
Diane Cooper

Sr. Project Coordinator

Kristin Kyle

Sr. Project Coordinator

Michelle Nu├▒ez

Project Coordinator

Reno Rambo

Project Coordinator

Thelma Mason-Guayante

Project/Estimating Coordinator

Shannon Cordova

Estimating Coordinator

Clarissa Ruiz

Project Coordinator

Project Managers
Stacey Scott

Senior Project Manager

Matt Beaver

Project Manager

Dan Bump

Project Manager

Kevin Illige

Project Manager

Kimber Purdum

Assistant Project Manager

Luke Muthart

Assistant Project Manager

Kristin Stehlik

Project Manager

Project Engineers
Jorge Rivero Loya

Project Engineer

Kolton Day

Project Engineer

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