John W. Pietrowicz
Pietrowicz is chief financial officer at CME Group. He joined the company in 2003 and took over as chief financial officer at the end of 2014, when Jamie Parisi, who held the role of CFO for a decade, retired.
Before joining CME Group, Pietrowicz worked at The Merchant's Exchange as the chief financial officer. He also worked at Ameritech and it's subsidiary, SecurityLink, in financial leadership positions.
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Nasdaq Announces Mid-Month Open Short Interest Positions in Nasdaq Stocks as of Settlement Date May 15, 2020
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