Community Bank System Inc. named Scott Kingsley executive vice president and COO of the De Witt, N.Y.-based company and its subsidiary, Community Bank NA, effective June 1. Kingsley is executive vice president and CFO for the company and the bank.

The company named Joseph Sutaris executive vice president and CFO of the company and the bank, effective the same date. Sutaris is the bank's senior vice president, finance and accounting.

Also effective June 1, Joseph Serbun was named executive vice president and chief credit officer, upon the previously announced retirement of Brian Donahue as executive vice president and chief banking officer. Serbun has been serving as senior vice president and chief credit officer at the bank since 2010.