First Niagara Financial Group, Inc. has named Karen Constabile, a 28-year financial-services professional, vice president middle-market relationship manager in the Central New York area. She will manage commercial-banking relationships in the Mohawk Valley area. Constabile comes to First Niagara from M&T Bank, where she was a relationship manager; she has also worked at Partners Trust Bank in Utica, where she held a similar role. Constabile earned a bachelor’s degree from Syracuse University.