Leadership

Corporate-Level Leadership

Brian Abt

Co-President
Bill Calhoun

Bill Calhoun

Executive Vice President and Vice Chairman

David Beck

Division President, Risk Management 
Greg Colevas

Greg Colevas

Corporate Safety Director

Grey Callaham

Senior Vice President, Legal

Jay Grauberger

Executive Vice President, Corporate Affairs
John O’Keefe

John O’Keefe

Co-President
John Korka

John Korka

Division President
Kelly Hernandez

Kelly Hernandez

Chief Financial Officer
Mark Hamberlin

Mark Hamberlin

Executive Vice President and Chief People Officer
Robby Moser

Robby Moser

Chief Executive Officer
Sameer Bhargava

Sameer Bhargava

Chief Executive Officer, Asset Solutions Group

Sara Guthrie

Senior Vice President, Communications and Marketing

Building Group Leadership

Chip Hastie
COO, Building Group

Mike Alto
Executive Vice President, Work Acquisition/Client Relationships

Mike Wolski
Executive Vice President, National Purchasing

Central Group

CFP

Northern Group

National Mission Group

Capital Group

Eastern Group

Western Group

Infrastructure Group Leadership

Kris Manning
COO, Infrastructure Group

Atkinson

Clark Concrete

Clark Civil

Clark Foundations

Clark Technologies

Clark Water

C3M Power Systems

Shirley Contracting

Asset Solutions Group Leadership

Align Capital Solutions

Altura

Carta Advisors

Edgemoor