Jonathan C. Hamill

Honorary Director

Openlands Board Member Jonathan C Hamill

Jonathan, now retired, was a Managing Director and Partner of investment firm Segall Bryant & Hamill. Prior to starting Segall Bryant & Hamill, Jonathan was a partner at Stein Roe & Farnham. 

Jonathan joined Openlands’ Board in 2001. He and his family have a long history of supporting environmental initiatives. 

Jonathan is also involved with the Nature Conservancy of Illinois, the Barrington Area Community Foundation, and the Chicago Commons Association. 

Jonathan lives in Barrington.  He received his B.A. from Yale University and his MBA from Northwestern University.   

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Jean Franczyk

See You at the Sold-Out 2026 Openlands Annual Luncheon!

Tickets are sold out, but there’s still time to make a gift! Joining us on October 21? We can’t wait to see you!