Founders / Principals

Andrew Amorosi, P.E., R.S., MASCE

Founder / Principal

William Pyznar, P.E.

Founder / Principal


Anthony Volpe, P.E.


Clifton McElyea

Principal / Chief Financial Officer

Sinisa Kolar, P.E., FRSE


Steven J. Lang, R.A., AIA, NCARB


Executive Vice Presidents / Directors

Andrew Dionne, R.S.

Director of Professional Services

Briana (Walsh) Arvay

Vice President of Stategic Planning - MEP

Conrado Ray Gracia, P.E.

Executive Vice President - Jersey City

David Chesky, P.R.A., R.S.

Executive Vice President, Civil Engineering Division

David Riddle, P.E.

Director of West Palm Beach

Esther Calle, P.E., MSCE, CGC

Executive Vice President,  Miami

Heather Duffy

Chief Operations Officer

James A. Trynosky, P.E., CEM, CBCP, LEED AP

Executive Vice President, MEP Division

Joe Dorini, BETC, RRO

Director of Roofing/Siding/Decks

Juan Rivera, P.E., MSCE

Director of Tampa Bay

Karen Kovi-Federico

Director of Finance

Ken Mahadeo, CFM, FMA, RPA, CEM, CBCP, CEA

Executive Vice President - MEP and Energy Management (Division of NYC)

Kendall Eberhardt, P.E.

Executive Vice President of Pennsylvania Structural/Commercial Division

Mark McCann, R.S.

Executive Vice President, South Jersey, Pennsylvania, Delaware

Matthew Grobert, R.S.

Director of Capital Reserves & Transitions

Matthew Cronin, R.A., AIA, NCARB

Executive Vice President, New York

Megan Brazil, EBP

Director of Business Development

Samantha Kish, SHRM-CP

Vice President of Operations

Shayan Amin, P.E., M.C.E., M.ASCE

Executive Vice President, Baltimore-Washington Metro