Our Leadership

Terry F. Neimeyer, PE, BCEE, FACEC, ENV SP, FASCE

Chairman of the Board

Nathan J. Beil, PE, D.WRE

Chief Executive Officer/President

Christopher J. Griffith, PE, CCM

Chief Operating Officer, Executive Vice President

Christine Y. Koski, CPA

Chief Financial Officer, Vice President

William R. Roberts

Chief Administrative Officer

G. Scott Lang, PE, CCM

Executive Vice President, Transportation Market Leader

Gary M. Mryncza, PE, PH, LEED AP

Senior Vice President, Water Market Leader

Charles A. Phillips Jr., RPLS

Senior Vice President, Facilities Market Leader

D. Scott Riddle

Senior Vice President, Utilities Market Leader

Mehmet A. Boz, PhD, PE, ENV SP

Vice President, Environmental Discipline Manager

James E. Deriu

Vice President, Resource Management Discipline Manager

Bryan R. Lawson, PE, LEED AP, CCM

Senior Vice President, Construction Management Discipline Manager

Adam Rickey, PE, CPD

Vice President, M/E/P Discipline Manager

Barry Schoch, PE

Senior Vice President, Transportation Mid-Atlantic Discipline Manager

Randy Seaver, CGC

Vice President, Subsurface Utility Engineering Discipline Manager

Bayne E. Smith, PE, PTOE

Senior Vice President, Transportation South Discipline Manager

Michael Perez, PE

Vice President, Director of Marketing and Business Development

Thomas G. Sprehe, PE, BCEE

Senior Vice President, Director of Innovation and Technology