Bank of the Ozarks Names New COO

The longtime chief operating officer at Bank of the Ozarks (OZRK) in Little Rock, Ark., is retiring.

Bank of the Ozarks disclosed in a regulatory filing Monday that Mark Ross, 57, will retire on Oct. 4 after spending more than 30 years at the $4 billion-asset company. Tyler Vance, 39, the company's chief banking officer, will succeed Ross.

Ross will remain executive vice president of operations through December 2014 to assist with the transition and "assist in the completion of certain initiatives currently in progress," the filing said.