About Our Team

Corporate Office

Mark Helberg

Chief Executive Officer

Wade Williams

Vice President of Sales and Marketing

Custis Coleman

Chief Financial Officer

Rick Pulyer

Vice President of Operations

Doug Morris

Vice President of Finance and Administration

Pat Procopio

Director of Human Resources

Harry E. Gregori, Jr.

Lead Regulatory Manager

John Conover

Senior Scientist

Rebecca Brent

Senior Project Manager

Ray Bell

Project Manager

Hannah Young

Project Manager

Angela Lewis

Office Administrator

U.S. Field Offices

Angel Nunez

Woodbridge, NJ Manager

Anthony Donohoe

Orlando, FL Manager

David Dyer

Knoxville, TN Manager

Jefferey Weer

Baltimore, MD Manager

John Hollowell

Columbia, SC Southern Regional Manager

Steven Arthur

Columbia, SC Assistant Manager

Mike Trivette

Roanoke, VA Area Manager

Wayne Mosely

Louisville, KY Area Manager

Ann Novakowski

Raleigh, NC Assistant Manager

Michael Tomaszewski

Augusta, GA Assistant Manager

Chuck Reinwald

Northern Region Manager

Reid Foster

Richmond, VA manager/Central Region Manager

Employee Spotlight

Angel Nunez

Angel Nunez

Assistant Manager, Woodbridge, NJ

Angel Nunez is the Assistant Manager for the Woodbridge, NJ location. Angel joined our team in 2015 and has worked to ensure the continual growth of the the area. Angel has been in the environmental industry for over ten years and has reached the level of Hazardous Materials Specialist. He believes in a hands on leadership approach and takes great pride in ensuring customer satisfaction on every project. Angel demonstrates the “First Call Difference” at all times.

In his downtime he enjoys watching and playing sports, traveling to new areas and spending quality time with his family and friends.