Our Executive Team
Meet our executive management team.
Our executive officers, like our general employee populace, all have very long tenure with our organization. They bring deep expertise in their area of specialty and a commitment to our independent agents and policyholders.
David M. Zeller, CPCU, AU
David Zeller was elected president of Partners Mutual Insurance Company in September 2022. He joined the company in 1992 as an underwriting assistant, and through 30 years advanced through several underwriting positions in both commercial lines and personal lines. From 2015-2022, he served as the underwriting manager in the Waukesha office. During this time, he built strong relationships with agents and oversaw substantial profitable growth.
Dave holds a bachelor’s degree in business administration, with a major in finance, from the University of Wisconsin – Whitewater. He earned the Associate in Underwriting (AU) designation in 1996 and the Chartered Property Casualty Underwriter (CPCU) designation in 2004. Dave has served the Greater Milwaukee Chapter of the CPCU Society as treasurer, vice president and president.
Dave spent many years coaching girls basketball and softball. He is an avid golfer and enjoys spending time with his wife and two girls.
Mark H. Ewert, CIC, CPCU
executive vice president & secretary
Mark is the executive vice president, secretary, and chief operating officer of Partners Mutual Insurance Company. He joined the company in 1994 as manager of Human Relations, Product Analysis, and Home Office Services. He was elected to the position of Secretary in 1999 and was elected to his current position of executive vice president and COO in 2002. Mark also serves our affiliate, Penn National Insurance, as Director – Vendor Management.
Mark holds a bachelor's degree in business administration, with a major in accounting, and a master's degree in business administration, with an emphasis in management, from the University of Wisconsin – Whitewater. Mark earned the Chartered Property Casualty Underwriter (CPCU) designation in 1998 and the Certified Insurance Counselor (CIC) designation in 1999. He completed the core programs of the CPCU Society's National Leadership Institute in 2002. Mark received the National Association of Mutual Insurance Companies' (NAMIC) Merit Award in recognition of exemplary efforts and professionalism in the insurance industry and was inducted into the NAMIC Merit Society in 2005.
Mark has served the Greater Milwaukee Chapter of the CPCU Society as new designee representative, membership chair, treasurer, vice president, and president. Mark has served NAMIC as a member and chair of the Methods/Procedures and Information Systems committee. He also served the NAMIC PAC as a board trustee. Mark currently serves as vice-chair of the CPCU Society’s Finance, Training and Development committee.
Mark is active in his church, served as a Boy Scouts leader, and is active in community theater where he serves as treasurer.