The Flowserve Corp. named Thomas Pajonas president of the Flow Control Division, reporting to C. Scott Greer, chairman, president and CEO. Pajonas succeeds George Shedlarski, who retired April 30. Previously, Pajonas was senior vice president of the Worldwide Power Segment Business for Alstom, a global $1.2 billion business. He also held roles in engineering, operations and supply management with ABB and Combustion Engineering.