1500 Shermer Road, Northbrook, Illinois 60062

(847) 480-2212

Architecture + Interiors

Architecture + Interiors

Architecture + Interiors Architecture + Interiors

About OCGG Architects, Ltd.

OCGG Architects Profile

Since its inception in 2001 OCGG Architects has developed a diverse practice of architecture and interior design. The firm has been involved in the design of numerous building types, including one of a kind single-family residences, multi-family residential projects, restaurants, commercial interiors and office buildings in the United States, Asia and Europe. Our design practice has extensive experience in both new and remodeled structures, from planning and design through construction administration services. 

OCGG Architects is lead by Gregory Geslicki, RA, NCARB


During his professional career, Gregory Geslicki has personally designed or overseen the design of many diverse building types from Large Scale Mixed Use Complexes, Convention Centers, Luxury Hotels, High End Office Buildings, Hospitals, Medical Research & Laboratory Buildings, University Classroom Buildings and Commercial Interior Environments. His experience includes working with progressive corporations, commercial developers, law firms, and technology and media companies across the United States, Asia and Europe. Greg's proven reputation as an innovative designer and forward looking architect has garnered him numerous invitations to present his design work in client and professional forums and to participate in numerous academic and professional design reviews 

Prior to forming OCGG Architects, Ltd. Greg Geslicki was a Senior Designer at Perkins & Will in Chicago. During his practice at Perkins & Will Greg was invited by the Director of the University of Illinois at Chicago School of Architecture, Ms. Katerina Ruedi, PhD, RIBA, to join the school as an Adjunct Associate Professor. Greg also worked as a Design Architect with Skidmore, Owings & Merrill, Lucien Lagrange Architects and Florian Wierzbowski, P.C. in Chicago and Kling Stubbins in Philadelphia, PA.