Mercantile Bancorp., St. Louis, has promoted Lowell C. Peterson to Cape Girardeau president of Mercantile Bank of Southeast Missouri.
He had been the bank's president for the Mineral area.
Mr. Peterson joined Mercantile in 1993 from First Bank of Alexandria, where he was managing officer. From 1984 to 1986 he was senior loan officer and chief operating officer at First Bank Minnesota in Virginia, Minn.
Mercantile also named Gail Partain president of Mercantile Investment Services Inc., a full-service brokerage. She was senior vice president and manager of administrative services.
Ms. Partain joined Mercantile in 1987. She was a vice president and community bank marketing manager from 1989 to 1990, director of advertising from 1990 to 1991, and assistant to the chairman from 1991 to 1995.