Organizational Structure
A quick guide to who’s who in the GBA organizational structure.
Members: Find contact information for each person in our Individual Directory
- President: Kenneth R. Johnston (GZA GeoEnvironmental, Inc.)
- President-Elect: Tom Blackburn, P.E., G.E., F.ASCE (Blackburn Consulting)
- Secretary/Treasurer: Leo Titus, Jr. P.E. (ECS, Ltd.)
- Directors:
- Chuck Gregory, P.E. (Terracon)
- Martin LaRoche, P.Eng. (SNC Lavalin, Inc.)
- Matt Moler, P.E. (S&ME Inc.)
- Matt Poirier, P.E. (Sanborn, Head & Associates, Inc.)
- Guy Marcozzi, P.E., LEED AP BD+C, F.ASCE (Duffield Associates)
- Steve Wendland, P.E., R.G. , DGE (Kleinfelder, Inc.)




- Executive Director: Joel G. Carson, [email protected]
- Director of Events: Barb Nappy, [email protected]
- Program Manager: Sara Menase, [email protected]
- Controller: Phil Pettway, [email protected]
Council and Committee Chairs
Members: Find contact information for each person in our Individual Directory
- Advocates Assembly: Terence Scanlan, Esq. (Cairncross&Hempelmann, P.S.)
- Business Practices Committee: Steve Noble, P.E.(DOWL)
- Bylaws Committee: Kenneth Johnston (GZA Geo Environmental, Inc.)
- Conference Program Committee: Chair: Matt Moler, P.E. (S&ME, Inc.) Vice Chairs: Matt Poirier, P.E. (Sanborn, Head & Associates), Martin Laroche, P.Eng. (Kiewit Engineering)
- Construction Materials Engineering and Testing Business Council: Dan Schaefer, P.E. (Froehling & Robertson, Inc.)
- Council of Fellows: Jerrold W. Samford, P.G. (Troutman Sanders LLP)
- Emerging Issues and Trends Committee: Bradley M. Melocik, P.E., P.H. (DOWL)
- Environmental Business Council: Victor Barchers, PE. (Kleinfelder, Inc.)
- Finance Committee: Chair: Tom Blackburn, P.E., G.E., F.ASCE (Blackburn Consulting) Vice Chair: Leo Titus, P.E. (ECS, Ltd.)
- Geotechnical Business Council: Richard D. Heckel, P.E., D.GE. (GeoEngineers)
- Legal Affairs Committee: Terence Scanlan, Esq. (Cairncross&Hempelmann, P.S.)
- Membership Committee: Joel G. Carson (Geoprofessional Business Association)
- Nominating Committee: Arthur Hoffmann, P.E., D.GE. (Gannett Fleming, Inc.), Kenneth Johnston,(GZA Geo Environmental, Inc.) Thomas Blackburn, P.E. , G.E., F.ASCE , (Blackburn Consulting)
- Peer Review Committee: Richard E. Johnson, P.G., C.E.G., C.H.G. (BSK Associates)