Durand, Wis.-based bank holding company Security Financial Services Corp. promoted Mark Oldenberg to CEO for both the bank holding company and its subsidiary, Security Financial Bank.
Oldenberg is continuing on as SFB president, succeeding Paul Rudersdorf as CEO. Rudersdorf has been appointed to serve on the board of directors for both the bank and its holding company. The two had been working together on the transition over the past few months.
Oldenberg has more than 25 years of community banking experience and has financing and accounting degrees from the University of Wisconsin-Eau Claire. “I am honored to help lead a team that is so passionate about providing exceptional service to our clients and communities,” he said.
Rudersdorf described his successor as “a wonderful addition and will serve the bank well as SFB grows.”