Nick Gresick

Vice President, Finance

Christina Williams

Senior Finance Associate

Steven Duke

Vice President Finance

Kevin Schrik

Vice President

Taylor Miller

Senior Finance Associate

Brandon Bezzant

Managing Director

Steve Chesnut

Director, Environmental Affairs

Annette Range

Executive Assistant

Kevin Klebe

Managing Director

Sean Leary

Chief Pilot

Jeff Greenwood

Captain

Fred Niemeier

Group President

Greg Meier

Group President

Sam Hamacher

President

Tony Bousamra

Vice President

Jerry Holtzclaw

Vice President, Operations

Matt Davidson

Vice President Materials Management