Driving client success through a culture of innovation
Get to know us
Our team fosters a culture of innovation, accountability, and relentless determination. We embody a humble yet principled ethos, collaborating uniformly to deliver exceptional, mission-critical solutions that positively impact lives nationwide.
Harry Gray
Chief Executive Officer
Peter DiMartino
Chief Financial Officer
Brian Peters
Chief Commercial Officer
Kara Donatucci Pham
Chief Human Resources Officer
Dillon J. O’Reilly
Vice President, Strategy & Integration | Head of Supply Chain
Bill Rottschaefer
Vice President, M&A and Corporate Development
Kasey Brand
National Controller
Kelly Close
Vice President, Finance and Business Intelligence
Simon Clarke
Chair, Knowledge Center
Kevin Thomas, P.E.
Chair, National Engineering
Lori Gately
Director, Marketing
Jackie Chester
Director, Safety & EHS
Dawn Pappas
Director, Learning & Development
Arlo Clauser
Director, National IT and Cyber
Company leadership
Bob Steele
President, ARC Mechanical
Scott Sweet
President, HCG Associates
Bil Sauer
President, RD&S
Russell Munday
President, RC&E
Adam Shideler
General Manager, AES
