Mr. O’Leary became Interim President and CEO in November 2024.  He joined the DMC Board in November 2023 with nearly four decades of executive leadership, finance, capital markets and board-level experience. He has extensive expertise in the construction and industrial manufacturing industries and is on the board of publicly traded Builders FirstSource, Inc., the largest U.S. supplier of building products, prefabricated components and value-added services to the professional market segment for new residential construction and repair and remodeling. He has served as chairman of Kinematics, a global leader in creating motion control solutions for the utility-scale solar, satellite and industrials sectors since 2015; and as a director of privately held ProSource Plumbing Supply, a regional provider of value-added plumbing supplies for high-growth residential markets throughout the Southeast since 2022.

Mr. O’Leary was chairman of publicly traded BMC Stock Holdings, Inc. prior to its merger with Builders FirstSource in 2021. He was also chairman and CEO of Kaydon Corporation, Inc., a leading, publicly traded manufacturer of highly engineered industrial products, which was sold to an industry peer in a successful strategic transaction. He more recently served as chairman and CEO of WireCo, a leading supplier of steel and synthetic rope and electromechanical cable for global energy markets.  His experience also includes extensive work as a director and senior advisor at several leading private equity firms.

Mr. O’Leary began his career at Deloitte & Touche LLP, and holds an M.B.A. from the Wharton School of the University of Pennsylvania.  He earned a B.B.A. from Pace University in New York and is a CPA in the state of New York.