RailWorks Corp., a New York City transportation contractor, appointed Michael P. Holt as president of the national transit division of its subsidiary, L.K. Comstock & Co. Holt, who will work out of division headquarters in Norcross, Ga, most recently served as vice president and East Coast regional manager for Boulder, Colo.-based contractor MWH Constructors.
Doug Jaeger has joined Minneapolis-based contractor Adolfson & Peterson Construction as CEO. He is formerly vice president of transmission at Xcel Energy, an energy provider in Minneapolis, Jaeger replaces Michael Peterson, who takes the newly created role of chief growth officer.