Sarah Barratt Ball was named director of marketing for Trafelet Delta Funds, a long/short fundamental equity manager with more than $5 billion in assets under management. The position is new. In a telephone interview, Ms. Barratt Ball said she will handle marketing, investor relations and business development. She was a managing director and head of the asset owners sales group in Morgan Stanleys prime brokerage unit. Michael Han, an executive director, will run the group in addition to his current duties, said Morgan Stanley spokeswoman Mary Claire Delaney.