Heidi M. Hoeller is a retired partner of PricewaterhouseCoopers LLP ( PwC ) with over 25 years of experience as a leader in audit and financial services. Hoeller held numerous positions at PwC from November 1993 until her retirement in June 2019. She spent most of her career in the Northeast, where she served as audit partner on a diverse portfolio of clients within the insurance sector. Prior to her retirement, she was a financial services partner in PwC s National Quality Organization. She is a director of Preferred Mutual Insurance Company, Vice Chair of the Utica University Board of Trustees, a member of the American Institute of Certified Public Accountants and a CPA licensed in New York. She also holds the NACD Directorship Certification, valid through December 2027. Hoeller was appointed to the NBT and NBT Bank Boards in January 2022.