Board Members

Mark C. Russell - Ohio Mutual Insurance Group

Mark C. Russell was appointed President of Ohio Mutual Insurance Group (OMIG) in September 2015, and assumed the role of Chief Executive Officer in January 2016. He has more than 30 years of broad experience in the property & casualty insurance industry, overseeing corporate operations in information technology, marketing, agency relations, claims, customer experience, and real estate. Mr. Russell earned a Master of Business Administration degree from Ashland University and is a summa cum laude graduate of Texas Lutheran University with a Bachelor of Arts in Business Administration. He has also completed additional executive training from the Harvard Business School and Indiana University, and holds the Chartered Property and Casualty Underwriter (CPCU), Casualty Claims Law Associate (CCLA), and Associate in Risk Management (ARM) professional designations. Mr. Russell serves on the boards of the Ronald McDonald House of Central Ohio, the Ohio Insurance Institute, and The Institutes, and serves as co-chair of the Insurance Industry Resource Council (IIRC), a collaboration between Ohio Governor John Kasich and the state's insurance industry. He also previously served on and chaired the boards of the National Insurance Crime Bureau (NICB) and the Community Shelter Board.

  • Executive Committee
A. Michael Heister - Ohio Mutual Insurance Group

A. Michael Heister is President of the A. M. Heister Associates Agency in Cincinnati, Ohio. He is a past President of the Ohio Professional Insurance Agents Association (PIA), and is currently a member of the Board of Directors of the Ohio PIA Service Corporation. Mr. Heister attended the University of Cincinnati and holds the Certified Insurance Counselor (CIC) designation.

  • Chair of the Board
  • Executive Committee - Chair
  • Governance Committee
  • Budget & Compensation Committee
Susan Porter - Ohio Mutual Insurance Group

Susan Porter is the current Executive Director of BalletMet in Columbus, OH and is a former partner with the Ice Miller law firm in Columbus, Ohio, where she specialized in Labor and Employment Law and was recognized as an Ohio Super Lawyer and one of the Top 50 Women Lawyers in Ohio. Ms. Porter is a graduate of the University of Michigan and the Boston University School of Law.

  • Governance Committee
  • Budget & Compensation Committee
John R. (Jack) Purse - Ohio Mutual Insurance Group

John R. (Jack) Purse is a CPA and former partner with the Ernst & Young accounting firm. Mr. Purse is a graduate of Lehigh University in Bethlehem, Pennsylvania with MBA and BS degrees in Business and Economics. Mr. Purse joined McDonald’s Corporation in 1995 where he was a multi-unit franchisee until his retirement in 2008.

  • Investment Committee - Chair
  • Audit Committee
David A. Siebenburgen - Ohio Mutual Insurance Group

David A. Siebenburgen was Chairman of Delta AirElite Business Jets from 2001 to 2009, and is now an independent consultant and advisor for a variety of for-profit and not-for-profit organizations.  He previously held the positions of President and CEO of Delta Connection, Inc. and Comair, Inc.  A United States Army veteran, Siebenburgen has a B.A. degree in Accounting from Xavier University and worked for Arthur Anderson LLP prior to joining Comair in 1984.  He currently serves as a member of the board of trustees for Cincinnati Works, and previously served as a board member of the Port of Greater Cincinnati Development Authority.

  • Vice Chair of the Board
  • Executive Committee
  • Audit Committee – Chair
  • Governance Committee
Randy Walker - Ohio Mutual Insurance Group

Randy Walker is president of Randy Walker Real Estate Services, L.L.C and is associated with Commercial One Realtors as a Senior Vice President. Mr. Walker co-founded Hope Street Kids, a national pediatric cancer research initiative that has provided funding for research grants and fellowships at more than 50 medical institutions across the United States during the last decade. He serves as a member of the CureSearch Board of Directors and the National Children's Cancer Foundation. Mr. Walker is a graduate of the Ohio State University and The Ohio State University Real Estate Institute.

  • Governance Committee – Chair
  • Audit Committee
Thomas Woolley - Ohio Mutual Insurance Group

Thomas Woolley is President of the Allenbaugh Insurance Agency, Inc. in Jackson Center, Ohio. He is a graduate of Urbana University, Urbana, Ohio, with a Bachelor of Science Degree in Business Management and Marketing.

  • Budget & Compensation Committee - Chair
  • Investment Committee