William Brennan – Biography
Last update: April 4, 2026Executive profile
William Brennan is currently
Managing Director, New Markets at Calastone - View - Calastone org chart
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The colleagues of William Brennan
Company Colleagues
- At Calastone, William Brennan has 34 colleagues including Julien Hammerson (CEO), Ken Tregidgo (Vice Chairman of the Board)…
Homonyms
- William Brennan - Chief Administrative Officer - Apex Fintech Solutions
- William Brennan - Director - Basware
- William Brennan - Vice President, Technology Strategy and Enterprise Digital Solutions - Blue Origin
- William Brennan - Executive Vice President and Chief Investment Officer - Pizzuti
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Industry Colleagues
- In the Fund industry, William Brennan has 30,049 colleagues in 1,643 companies located in 64 countries. 10,519 executive movements have been recorded in the last 12 months. Learn more about Fund.
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Through the switchboard, call Calastone at +44 203... and ask for William Brennan.
