William G. Kistner has served on our Board of Directors since April 2018, and serves as the chair of the Audit Committee, and as a member of the Risk Committee. Mr. Kistner also serves on the board of directors of Byline Bank, and serves as the chair of the Audit Committee, and as a member of the Risk Committee of Byline Bank. Mr. Kistner retired from Northwestern Memorial HealthCare (NMHC) in 2018. He joined NMHC in 2004 and in 2006 was appointed Vice President of Internal Audit where he rebuilt the Internal Audit function, developed a coordinated risk assessment methodology and audit work plans based upon organizational needs. He coordinated Audit Committee meetings and reported results of audits and projects to management, the Audit Committee, and the Board. Prior to joining NMHC, Mr. Kistner worked at Ernst & Young, LLP for 31 years. He was a Tax Partner for 19 years in the Chicago office where he served a variety of clients. Mr. Kistner is a Life Trustee of the Board of Loyola University of Chicago. He is past Chair of the Audit Committee and served on the Finance and Executive Committees of the University. Also, he is a member of the Board of Directors and Treasurer of Erie Family Health Centers. He is Chair of the Finance Committee and serves on the Executive, Compensation and Investment Committees. Mr. Kistner received his Bachelor of Business Administration degree in accounting from Loyola University Chicago, his Master of Management degree in finance from the Kellogg Graduate School of Management and is a registered Certified Public Accountant.