Jonathan Siegel – Biography
Last update: February 6, 2026Executive profile
Jonathan Siegel is currently
Head of Taft-Hartley at Loomis Sayles - View - Loomis Sayles org chart
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The colleagues of Jonathan Siegel
Company Colleagues
- At Loomis Sayles, Jonathan Siegel has 25 colleagues including Kevin Charleston (Chairman & CEO), Dan Fuss (Vice Chairman of the Board)…
Homonyms
- Jonathan Siegel - Director - Jaguar Animal Health
- Jonathan Siegel - President - Newmark National Retail Services
Industry Colleagues
- In the Financial Services industry, Jonathan Siegel has 59,584 colleagues in 4,103 companies located in 107 countries. 28,706 executive movements have been recorded in the last 12 months. Learn more about Financial Services.
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