Vicky Keramida, Ph.D. 

CEO & Chief Technical Officer

Elliot Dillon

Chief Operating Officer


Wesley Fleming, PE, MBA

Chief Financial Officer & Senior Engineer

Chloe Zachmanoglou

Chief Marketing Officer


Jeet Radia, PE, CIH

Senior Vice President

Carson Brown, CSP

Senior Vice President,
Safety & Industrial Health Services


Brian Harrington 

Senior Vice President,
Land Services

Mack Overton 

Senior Vice President,
EHS Compliance


Nick McCreary, MS, LEED AP

Senior Vice President,
Sustainability

Dan Watson, PE, PMP

Vice President,
Energy & Utilities Engineering


Kristen Belcredi, PE, CHMM

Senior Vice President,
Compliance Engineering & ISO Services

Trent Blake, ASP

Vice President,
Safety & Industrial Health Services


Steve Cobb, MBA, CP 

Vice President,
Land Services

Ty Giddens, CESSWI

Vice President,
Renewable Energy Compliance Services


Justin Johnson

Vice President,
AI & Technology Solutions Services

Kathy Moore

Vice President,
Air Services


Emilee O’Neill

Vice President,
Sustainability Strategy & Reporting

Maddy Osswald, MBA

Vice President,
Sustainability


Jim Schifo, PE

Vice President,
Industrial Services

John Wellspring

Vice President,
Air & Environmental Compliance Services 


Xuqing Xiong, PE, MS

Vice President,
GHG & Sustainability Data