Patrick A. Thiele served as Chief Executive Officer of PartnerRe Ltd. from 2000 until his retirement in 2010. In February 2014, Mr. Thiele joined the board of One Beacon Insurance Group, and in February 2015, he joined the boards of the investment companies in the Mairs and Power family of mutual funds. Mr. Thiele previously held executive roles at CGU (now Aviva) and at The St. Paul Companies, where he spent the first 20 years of his insurance career, culminating in his appointment as its Chief Executive Officer of Worldwide Insurance Operations. Mr. Thiele began his career in 1975, working as a securities analyst with the National Bank of Detroit. He holds both a B.S. in Finance and an MBA from the University of Wisconsin, Madison, as well as the Chartered Financial Analyst designation.