Heritage Oaks Bancorp (HEOP) in Paso Robles, Calif., disclosed that its chief financial officer is leaving after only a year at the company.

Mark Olson will step down on Jan. 31, the $1.2 billion-asset company said in a press release Tuesday. He joined the company early last year. Heritage did not give a reason for Olson's departure; a company spokeswoman did not immediately return a call for comment.

"It saddens me to announce that [Olson] will be leaving the bank," Heritage President and Chief Executive Simone Lagomarsino said in the release. "During his time here, [Olson] has made numerous contributions to the growth and profitability of our organization."

Lagomarsino, who led Heritage in a turnaround effort after joining the company in September 2011, will act as interim CFO while the company searches for a replacement.

The company’s previous CFO, Tom Tolda, resigned in November 2012 after joining Heritage in January 2011.

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