John is a nationally recognized architect, lecturer, furniture designer and humanitarian. As the head of a new school of architecture, co-owner of D/O, founder of a community design studio, devoted AIA Minnesota member, and community activist, he maintains a strong reputation as a leader in his profession.

He has many nationally recognized projects, teaches at Dunwoody College, and is highly experienced with community lead design.



Colin Oglesbay is the managing principal of D/O, an interdisciplinary design studio with a commitment to design excellence through the integration of buildings and landscapes. Colin studied landscape architecture at the University of Wisconsin– Madison and received his Master of Architecture from the University of Minnesota– Twin Cities.

His work, research and writing focus on discovering new and innovative methods to link nature and buildings. He has written about these ideas for T/here: Journal of Architecture + Landscape, Scape Magazine, and Architecture MN Magazine. He teaches at the University of Minnesota and guest lectures at Dunwoody College. With over 20 years of experience in the field of landscape and architecture, he has lead projects ranging in scale from integrated campus planning to off-the-grid outhouses that purify local water.




Aaron McCauley-Aburto is an intern with D/O. After a career in the military, he went back to school to study architecture. His academic work at Dunwoody School of Architecture has given him expertise in digital fabrication, Rhino modeling and Revit.

Aaron is a passionate designer interested in design problems related to community and urban design. In his two years with D/O he has worked on digital fabrication ceiling systems, sustainable residences and a 80-unit housing projects focused on Wellness.

When he is not working on architecture, he helps run his family’s dojo and teaches young kids karate.