Edward Sheetz, the president and CEO of Morgans Hotel Group, has resigned to address personal issues, the hotel group announced Thursday. Director Fred Kleisner was named interim president and CEO, effective immediately. Kleisner formerly was CEO of Wyndham International from 2000 to 2005. Sheetz's resignation reportedly was by mutual agreement. Morgans Hotel Group operates such luxury hotels as Mondrian Los Angeles and Miami's Delano and Shore Club.