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For additional information about how Gleason Architects, P.C. can better serve you, please feel free to contact us directly.


Contact Us

  • 630-466-8740
  • 630-466-8760
  • 769 Heartland Drive, Unit A, Sugar Grove, IL

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Company Directory


Thad Gleason

Owner / Principal
Extension: 114
Email: Thadgleason@gleasonarchitec...

Mike Koehl

Project Architect
Extension: 111
Email: Mikek@gleasonarchitectspc.com

Diane Duncan

Project Architect
Extension: 115
Email: Dianeduncan@gleasonarchitec...

James Marston

Project Manager
Extension: 112
Email: Jamesmarston@gleasonarchite...

Ken Ewing

Architectural Drafter
Extension: 122
Email: kenewing@gleasonarchitectsp...

Joyce Ringstad

Office Manager
Extension: 110
Email: Joyceringstad@gleasonarchit...