John Toomey – Biography
Last update: April 27, 2026Executive profile
John was Risk Manager in the Treasury Department at Sears, and Director of Risk Management Services at Waste Management, Inc.. John served as Assistant Treasurer at Telephone & Data Systems.
John Toomey is currentlyTreasurer and Vice President, Corporate Relations at Telephone & Data Systems - View - Telephone & Data Systems org chart
Director at Array Digital Infrastructure - View - Array Digital Infrastructure org chart
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Education
John Toomey has a Bachelor of Finance degree in Mechanical Engineering from Marquette University and a Master of Business Administration in Finance and Accounting from Northwestern University - Kellogg School of Management.
They have also studied at Marquette University :
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They have also studied at Northwestern University - Kellogg School of Management :
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The colleagues of John Toomey
Company Colleagues
- At Telephone & Data Systems, John Toomey has 43 colleagues including Walter Carlson (CEO), LeRoy Carlson (Vice Chairman of the Board)…
- At Array Digital Infrastructure, John Toomey has 16 colleagues including Anthony Carlson (President & CEO), Harry Harczak (Director)…
Homonyms
- John Toomey - Chief Executive Officer - HarbourVest Partners
- John Toomey - Chief Commercial Officer, Asia Pacific Excluding China - Marriott International
Industry Colleagues
- In the Telecommunications industry, John Toomey has 23,195 colleagues in 1,581 companies located in 144 countries. 14,576 executive movements have been recorded in the last 12 months. Learn more about Telecommunications.
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