Mercantile Bank in St. Louis has promoted Michael E. Dorn and Donna K. Joerling to vice president.
Mr. Dorn is a small-business lender. He joined the bank last year as a relationship manager in the business banking division. Earlier he worked in the community relations department and the business loan development center at Boatmen's/NationsBank, now Bank of America.
Ms. Joerling is a business-banking lender in O'Fallon, Mo. She joined the bank in 1979 as an installment loan officer and collection manager in Washington, Mo., and was promoted to business lender in 1997.
Mercantile Bank is a subsidiary of $36 billion asset-Mercantile Bancorp.