Succession planning

M&T Bank's president and chief operating officer, Mark Czarnecki, has been diagnosed with pancreatic cancer and plans to remain in his role at the bank while he gets treatment, the Buffalo News reported.

F.N.B. in Pittsburgh has shuffled its management ranks, after John Williams announced his retirement as bank president.

Simmons First National in Pine Bluff, Ark., has promoted several executives, as David Bartlett announced his plans to retire as president and chief banking officer.

PeoplesBank in Holyoke, Mass., will promote its chief financial officer to lead the bank, as Chief Executive Douglas Bowen plans to retire.

Cheviot Financial in Cincinnati has elected James Williamson chairman.

Bank of America shareholders will vote Sept. 22 on whether its board was right to grant Chief Executive Brian Moynihan the additional title of chairman last year.

Argentine Federal Savings in Kansas City, Kan., has named Roger McWherter chief executive.

Enterprise Bancorp in Lowell, Mass., has named James Conway vice chairman and lead director.

Codorus Valley Bancorp in York, Pa., has given Chief Executive Larry Miller the additional title of chairman, after its longtime chair retired.

Byron Thompson, chairman of Country Club Bank in Kansas City, Mo., has died.