Diane Koken is a consultant and was elected to the Nationwide board in 2007. She has served on the Nationwide Mutual Funds and Nationwide Variable Insurance Trusts’ boards since 2019.
She also serves as a board member of NORCAL Mutual Insurance, Capital Blue Cross, The Hershey Company, Hershey Trust Company, and The M.S. Hershey Foundation and Milton S. Hershey School Board of Managers. She is a member of the Women's Council for the United Way and is a court-appointed Special Advocate for Children.
Koken served as Insurance Commissioner of Pennsylvania, a cabinet position, for three governors. She was elected president of the National Association of Insurance Commissioners (NAIC) and chaired numerous committees and served on the executive committee. She also served on the board of the National Insurance Producer Registry (NIPR), and was elected the first chair of the Interstate Insurance Product Regulation Commission (IIPRC). Koken served as vice chair of the International Commission on Holocaust Era Insurance Claims and on the Advisory Board for the Center for Ethics in Financial Services at The American College. She held multiple legal roles, including vice president, general counsel and corporate secretary of a national life insurer during her 22 years with the company.