Suffolk Federal Credit Union reports two promotions.
Richard Klefsky of Shirley has been promoted from vice president of risk management to vice president of retail banking and sales in the Medford branch.
Keith Miller of Coram has been promoted from assistant vice president to vice president of business services in the Medford branch.
Dr. Bettina Fries of East Setauket, a physician-scientist in microbiology, has joined Stony Brook Medicine as a professor and chief of the infectious diseases unit of the Department of Medicine, Stony Brook University reports. She led infectious disease research at Albert Einstein College of Medicine in the Bronx.
Julia Fitton of East Patchogue has joined Totus Business Centers, a subsidiary of T. Weiss Realty Corp. that rents group office spaces in Melville, as client services manager. She is a recent SUNY Oswego graduate.