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President/CEO

Richard Rehmann, GISP

President/CEO
Vice President 

Richard Heggan, PLS, PP

Vice President 
Senior Associate - Site Design & Development

Carolyn Feigin, PE, PP

Senior Associate – Site Design & Development
Vice President - Energy Services Practice Leader

Jeff MacPhee, PLS

Vice President – Energy Services Practice Leader
Executive Vice President

George Scott

Executive Vice President
Chief Engineer

Mark Herrmann, PE, CME, CFM

Chief Engineer
Vice President - Planning & Environmental Services

Stuart Wiser, PP, AICP

Vice President – Planning & Environmental Services
Vice President - Geospatial Services

David Kunz, GISP

Vice President – Geospatial Services
Director of Marketing & Client Partnerships

Shannon Warner, MBA

Director of Marketing & Client Partnerships
Associate - Environmental Remediation Services

Thomas Francis, LSRP

Associate – Environmental Remediation Services
Associate - Environmental Services

Marianne G. Risley

Associate – Environmental Services
Associate - Geospatial Services

Don Smith

Associate – Geospatial Services
Senior Engineer

Charles Chelotti, P.E., CME

Senior Engineer
Water Resources Specialist

Linda Campbell Rehmann, PHD

Water Resources Specialist
Planner

Christine Winter, PP, AICP

Planner
Senior Design Engineer

Brian Prohowich PE, CME, CPWM

Senior Design Engineer
Senior Engineer

Christopher Morris, PE   

Senior Engineer
Project Scientist

Brian Vaughan

Project Scientist
Construction Management 

Jake Falls

Construction Management 
Enterprise GIS Engineer

Calen Daugherty, GISP

Enterprise GIS Engineer