Boutique investment firm GulfStar Group has announced several personnel changes. Joe Watt, a vice president with the firm, has been promoted to managing director. Prior to GulfStar, Mr. Watt was vice president in the investment banking group at JMP Securities. Vice president Brian Lobo has been promoted to senior vice president. Prior to GulfStar, Mr. Lobo served with Lazard Middle Market, representing companies in M&A and private placement transactions. Morgan Rollo, a marketing associate for GulfStar, has been appointed director of Marketing. Ms. Rollo previously functioned as a marketing associate for GulfStar. She came to the firm from MSM Communications, where she was marketing coordinator. The three will work out of GulfStar’s Houston headquarters.