Susan Crotty joined hedge fund-of-funds manager Tremont Capital Management as managing director of investment management services. The position is new. Ms. Crotty works with the firms marketing and investment management teams to design specialty and customized fund-of-funds portfolios for institutional investors, according to a news release. Ms. Crotty was senior vice president and alternatives practice leader at consultant Callan Associates. Nancy M. Malinowski, a Callan spokeswoman, said details about Ms. Crottys replacement were not available.