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Greg Muldoon

Interim Chief Executive Officer
Greg Muldoon was named Interim Chief Executive Officer (CEO) in 2015. He has served as a member of RailWorks’ Board of Directors since 2008 and continues in that role. Greg has extensive experience leading large service organizations with multinational operations. He previously served as CEO of Air-Serv, a service company with operations throughout North America and Europe. Prior to that, he served as the Chief Operating Officer of Browning-Ferris Industries, a multi-billion dollar, publicly traded waste management company with more than 400 operating locations throughout the United States and Canada. Greg also was a Partner in Bayou City Partners, a small private equity group in Houston, Texas, and a Director in Partners of the Purple Sage. He earned a bachelor’s degree from Washington and Lee University.

Leadership Team

RailWorks Corporation

Interim Chief Executive Officer
Executive Vice President, General Counsel and Secretary
Executive Vice President and Chief Financial Officer
Executive Vice President
Senior Vice President, Tax
Vice President – Information Systems & Technology
Vice President and Chief Human Resources Officer
Director, Corporate Communications
Corporate Equipment Manager

Transit & Systems

President, L.K. Comstock & Company, Inc. – New York Division President, RailWorks Transit, Inc.
President, L.K. Comstock National Transit, Inc.
President, HSQ Technology


Vice President, RailWorks Maintenance of Way
Vice President and General Manager
Senior Vice President, North America Track
Senior Vice President, North America Track
Senior Vice President, North America Track
Vice President, Freight Rail Infrastructure