MGIC Investment Corporation, a private mortgage insurer, has appointed Timothy Mattke as chief accounting officer, controller and senior vice president.

Mattke previously served as controller and vice president with MGIC since February 2009. He also served as assistant controller at the company's principal subsidiary, Mortgage Guaranty Insurance Corporation, and prior to this was a manager in MGIC's accounting department.

Prior to joining the company in 2006, Mattke was employed at PwC.