Jack Katz Global leader - financial services +1 212 542 9660


With more than 35 years in public accounting, his experience includes banks, hedge funds, investment banks, private equity funds, regulated investment companies and trading companies.

Jack has led Grant Thornton’s financial services practice for approximately 20 years and built it into a national and global practice. 

He served as the New York office managing partner from 2003-2013 and the Northeast region managing partner from 2010-2013. 

Jack served as a member of the firm’s partnership board for 13 years; holding the title of Chairman of the Board for much of that time, with his term concluding in 2012. 

Jack has extensive experience serving international organizations. He has been quoted in local papers and has authored articles published in various trade publications. 

He has served on various committees and boards in the finanical services and not-for-profit industries.   Jack currently serves on the Global Public Policy Committee (GPPC) Bank Working Group.  


Jack is a member of the Economic Club of New York and the National Association of Corporate Directors (NACD).  

  • MBA in taxation from City University of New York
  • BA in taxation (Brooklyn College)
  • National Association of Corporate Directors