Our People

Leslie J. Sawyer headshot
President & Chief Executive Officer
Mark. E. Smith headshot
Executive Vice President, Operations
Picture of Joan M. Mazurek
Vice President, Chief Financial Officer
Gary Flentge headshot
Vice President, Business Development
Scott Dileto headshot
Vice President, Environmental/Industrial Hygiene
Picture of Howard J. Hamilton, PE, CFM, CPESC
Director, Civil Engineering
Picture of Alex Waite, PE
Director, Construction Engineering
William J. Fleming headshot
Vice President, Survey
Picture of Celeste N. Baker