Matthew Siemer, who ran and expanded Chicago mobile health care nonprofit, dies at 43
- Posted on January 13, 2026
- By Chicago Tribune
- 5 Views
Matthew Siemer, who ran and expanded Chicago mobile health care nonprofit, dies at 43
The Rogers Park resident and his wife, A.J. Barks, both of whom were killed in a car crash, saw nonprofit work as “their calling in life.”
