Beam has been with the company more than 23 years. Most recently he was a principal with the firm.
He has designed electrical power distribution and life safety systems, and managed overall building mechanical-electrical design for several of the Washington, D.C., area's landmark commercial and government buildings, the company said. Projects include corporate headquarters for Fortune 500 companies, major downtown mixed-use developments, law firm offices, trade association headquarters, educational facilities, and local government complexes.