Mr. Kopnisky joined Patriot in 2024 and is a Senior Partner with the firm. Prior to Patriot, Mr. Kopnisky served as Executive Chairman of Webster Financial Corporation (WBS) and its principal banking subsidiary, Webster Bank. He brings to Patriot over four decades of experience in the banking and financial services industries. 

Mr. Kopnisky has a successful history of growing organizations and achieving results. As CEO and President of the previous Sterling Bancorp (STL), his vision of growing Sterling Bancorp into a regional bank by becoming a leader in delivering superior service to owner-led businesses and families has yielded strong operating results. The company grew from $3.2 billion in assets in 2011 to $32 billion in assets in 2020. In April of 2021, Jack announced a merger of equals with Webster Financial Corporation, taking the assets of the combined entity to $70 billion.

Prior to Sterling Bancorp, Mr. Kopnisky served as Chief Executive Officer of SJB Escrow Corporation, a $1.1 billion investment pool, that provided the initial capital for the first bank investment and President and Chief Executive Officer of First Marblehead Corporation (FMD), a provider of outsourcing services for private education lending.

Before joining First Marblehead, Mr. Kopnisky held several top executive positions at KeyCorp. He was President of the Consumer Banking Group, and CEO and President of KeyBank USA. Mr. Kopnisky held full P&I responsibilities for a $65 billion business portfolio and helped KeyCorp build one of the largest branch networks in the United States. Mr. Kopnisky started his career with Pittsburgh National Bank (now PNC) with increasing management responsibilities in commercial and retail banking. 

Mr. Kopnisky has served on the Board of Directors of WBS and STL, and preceding organizations since 2011. He served as a member of the Board of Directors of FMD (public) from 2005 – 2008. Jack serves on the board of trustees of St. Thomas Aquinas College, Pinewood Preparatory School, New York City Partnership and Summer Search of NYC. He also serves on Claymore Capital Partners’ and Second Curve Capital’s Advisory Boards.

Mr. Kopnisky received his undergraduate degree from Grove City College. He graduated from the Case Western Reserve Executive Program at the Weatherhead School of Business and the University of Delaware’s Stonier Banking School. Jack also has been awarded honorary doctorate degrees from Grove City College and St. Thomas Aquinas College.