John Pietrowicz – Biography
Last update: January 23, 2026Executive profile
John was Chief Financial Officer at CME Group, and Chief Financial Officer at Merchants' Exchange. John Pietrowicz joined Marex in 2025.
John Pietrowicz is currentlyDirector at Marex - View - Marex org chart
Independent Director at FHLBank Chicago - View - FHLBank Chicago org chart
Create your alert
to follow the career of John Pietrowicz.
Education
John Pietrowicz has a Bachelor in Accounting from University of Notre Dame in 1986 and a Master of Business Administration in Finance from Loyola University Chicago in 1993.
They have also studied at University of Notre Dame :
Find more alumni from University of Notre Dame
They have also studied at Loyola University Chicago :
Find more alumni from Loyola University Chicago
More about John Pietrowicz
Do you need to know more about John Pietrowicz? More results.
Participate
Social media
- John Pietrowicz on Google News, X (Twitter), LinkedIn, YouTube
- View the pictures of John Pietrowicz
The colleagues of John Pietrowicz
Company Colleagues
- At Marex, John Pietrowicz has 76 colleagues including Ian Lowitt (CEO), Konstantin von Schweinitz (Director)…
- At FHLBank Chicago, John Pietrowicz has 42 colleagues including Michael Ericson (CEO), Phyllis Lockett (Director)…
Industry Colleagues
- In the Financial Services industry, John Pietrowicz has 59,579 colleagues in 4,102 companies located in 107 countries. 28,706 executive movements have been recorded in the last 12 months. Learn more about Financial Services.
Report an error
Update the org chart details of John Pietrowicz.
Get in Touch
Here are a few tips for establishing great contacts.
and ask for John Pietrowicz.
