Sorenson Capital, a Utah-based private equity firm, has announced three promotions within the firm and one new hire. Mark Ludwig has been promoted from principal to managing director. Prior to Sorenson, he worked as an associate consultant for Bain & Company. Don Blohm has been named a performance group operating partner with the firm. Mr. Blohm came to Sorenson in 2010 as performance group vice president and was previously employed at Flowserve. Peter Sturgeon, a vice president, has been promoted to principal. Mr. Sturgeon previously worked as an associate with The Boston Consulting Group. The firm also announced the hiring of Bert Roberts as vice president. Mr. Roberts served as a consultant for Sorenson before being hired as a vice president for the firm.