Leadership
Principals





Principals Emeritus & Senior Advisors







Senior Leadership

Melissa Bissen
Controller

Stephen Burdette, AIA, NCARB, LEED AP BD+C
Architecture

James Earle
WBCM Construction Services, LLC

Phil Han, PE
Building Structures, Baltimore

Jim Holls, PE, PTOE
Regional Transportation Director

Mike Izzo, PE
Transportation Director, Maryland

Blaine Linkous, PE, PH, LEED AP
Civil Engineering,
Site & Utilities

Thomas Marando, Jr., PE
Virginia Transportation

Gene Merkel
Construction Management and Inspection

Brian Noll, PE
Environmental Water Resources

Tom Orisich, PL
Surveys

Jason Platts
Information Systems

John Prybella, PE
Operations, Philadelphia

Kellie Reardon
Business Development, Federal Programs

Marshall Stevenson
Geospatial Innovations

Shawn Weber, PE
Building Structures, Harrisburg

Mike Wuerthele, PE
Operations, Pittsburgh