Cressie Brown, a 22-year veteran, has been named CSX Transportation's vice president-service design and advanced technology, reporting to David Brown, executive vice president and chief operating officer. The appointment is effective immediately.
Brown succeeds Alan Blumenfeld, who is retiring. Her new responsibilities will include service planning, operations research, network planning and joint facilities, and advanced engineering.
Susan Arko has been named assistant vice president-customer service operations, succeeding Cressie Brown. Arko will report to Cindy Sanborn, vice president and chief transportation officer.