John William Pietrowicz is on the board of NEX International Ltd., NEX Group Holdings Ltd. and S&P Dow Jones Indices LLC and Chief Financial Officer for CME Group, Inc.

In the past Mr. Pietrowicz was Chief Financial Officer for Merchant's Exchange LLC and Principal at Ameritech Corp.

Mr. Pietrowicz received an MBA from Loyola University of Chicago and an undergraduate degree from the University of Notre Dame.