Our Leadership

Nathan J. Beil, PE, D.WRE

Chairman of the Board and Chief Executive Officer

Christopher J. Griffith, PE, CCM

President and Chief Operating Officer

William R. Roberts

Chief Administrative Officer, Senior Vice President

Christine Y. Koski, CPA

Chief Financial Officer, Vice President

Terry F. Neimeyer, PE, F.ASCE, F.ACEC, ENV SP, BCEE

Senior Advisor

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

Executive Vice President, Site/Facilities Market Leader

D. Scott Riddle

Senior Vice President, Utilities Market Leader

Mehmet A. Boz, PhD, PE

Vice President, Texas Market Leader

Nick Barrick, PE, LEED AP BD+C

Vice President, Site/Facilities Discipline Manager

James E. Deriu

Vice President, Resource Management Discipline Manager

Erick Fry, PE

Vice President, Transportation South 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

Michael Perez, PE

Vice President, Director of Marketing and Business Development