Regions Financial in Birmingham, Ala., has restructured its small- and middle-market banking business, and tapped Bill Horton – a 42-year veteran of the company – to oversee the division.

Regions said Wednesday that Horton will serve as head of commercial banking, a newly formed role at the $126 billion-asset company. He previously served as a regional president for two years, in charge of locations in Alabama, Mississippi, southern Louisiana and the Florida Panhandle.

In his new role, Horton will oversee several previously separate units, including business banking, treasury management and business loan underwriting. He will report to John Turner, head of corporate banking.

"Streamlining our commercial banking businesses under Bill's leadership will create a consistent, simplified approach across our markets," Turner said in a press release.

Additionally, Regions named a successor for Horton's previous role.

Keith Herron will serve as the company's regional president in the South. He joined the company in 1988 and has been head of strategic planning since 2012.

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