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Marc Gallagher

Executive officer at Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C..

Executive
Updated Nov 10, 2026·Latest SEC filing Apr 21, 2026·Suggest an edit

About Marc Gallagher

Marc Gallagher is an executive officer at Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C..

Experience

This experience comes from Marc Gallagher's profile and from SEC filings. For roles taken from filings, the years are when the filings name Marc Gallagher in the role, so the role may have started earlier or lasted longer.

Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. Current
Managing Principal
1998 – Present · Parsippany, NJ
Engineering and environmental consulting for developers, property owners, public agencies and energy companies.
CKS Engineers
Project Engineer
1994 – 1996
Earth Engineering, Inc
Project Engineer
1993 – 1994

Key Colleagues at Startups

The people Marc Gallagher works with at each company, as listed on that company's latest Form D.

CH
Chris Hager
Executive officer
AP
Alan Poeppel
Managing Principal and director
RJ
Robert Johnston
Executive Officer and Director
LS
Lori Simpson
Managing Principal and director
GE
Gregory Elko
Executive Officer and Director
WB
Walter Bogardus
Executive officer
DG
David Gockel
Executive Chair
GL
George Leventis
Managing Director
RF
Rudolph Frizzi
Executive officer
RB
Richard Burrow
Managing Principal and director
RF
Ronald Fuerst
Executive officer
RL
Ryan Linthicum
Next CEO and director
MB
Michael Burke
Executive officer
DH
Donald Hodson
Executive officer

Sources

  1. SECLangan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. Form D, filed Apr 21, 2026