Vicky Keramida, Ph.D. 

CEO & Chief Technical Officer

Elliot Dillon

Chief Operating Officer


Wesley Fleming, MBA, PE

Chief Financial Officer &
Senior Engineer, EHS Compliance Services

Chloe Zachmanoglou

Chief Marketing Officer


Cindy Madrick

Senior Vice President

Daniel Engling, MS, CIH, 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

Senior Vice President,
Sustainability

Dan Watson, PE, PMP

Vice President,
Energy & Utilities Engineering


Kristen Belcredi, PE, CHMM

Senior Vice President,
Compliance Engineering & ISO Services

Jim Alvarez, LPG

Vice President


Carson Brown, CSP

Vice President,
Safety & Industrial Health Services

Steve Cobb, MBA, CP 

Vice President,
Land Services


Ty Giddens, CESSWI

Vice President,
Renewable Energy Compliance Services

Amber Greaney, MPA

Vice President,
Sustainability


Kathy Moore

Vice President,
Air Services

Emilee O’Neill

Vice President,
Sustainability, Strategy & Reporting


Maddy Osswald, MBA

Vice President,
Sustainability, Operations

Jim Schifo, PE

Vice President,
Industrial Services


John Wellspring

Vice President,
Air & Environmental Compliance Services 

Xuqing Xiong, MS, PE

Vice President,
Sustainability, GHG & Sustainability Data