Mercantile Bancorp., St. Louis, promoted Ronald L. Hart to president of Mercantile Bank of Southern Illinois in Flora.
He had been a senior vice president and senior lender at Mercantile Bank of Illinois in Alton.
Mr. Hart joined Mercantile in 1986 as a credit analyst in corporate banking. In 1991, he was hired by Harrisburg National Bank-Citizens Bank to be executive vice president and senior lender. He later became chief operating officer of Citizens.
From June to December 1995, he worked at Peoples National Bank as executive vice president and chief operating officer. Mr. Hart returned to Mercantile Bancorp last year.