Leadership
Principals
Principals Emeritus & Senior Advisors
Senior Leadership
Melissa Bissen
Controller
Stephen Burdette, AIA, NCARB, LEED AP BD+C
VP, Architecture
Hanif Drzal, PE, CJP
Director, Operations, Virginia
Maureen Fastie
Director, Human Resources
Callie Geller
Director, Marketing
Phil Han, PE
Senior VP, Building Structures, Baltimore
Jim Holls, PE, PTOE
Senior VP, Regional Transportation Director
Mike Izzo, PE
Senior VP, Transportation Director, Maryland
Jesse Lindsay, PE, LEED AP
Senior VP, Marine/Industrial
Blaine Linkous, PE, PH, LEED AP
Senior VP, Civil Engineering-Site & Utilities
Gene Merkel
VP, Construction Management and Inspection
Brian Noll, PE
Senior VP, Environmental Water Resources
Tom Orisich, PL
Senior VP, Surveys
Jason Platts
Director, Information Systems
John Prybella, PE
VP, Operations, Philadelphia
Kellie Reardon
Director of Business Development, Federal Programs
Marshall Stevenson
VP, Geospatial Innovations
Shawn Weber, PE
VP, Building Structures, Harrisburg
Mike Wuetherle, PE
Senior VP, Operations, Pittsburgh
