Stephane Cassan
M.Arch., OAA, OAQ

Stephane CassanStephane Cassan brings over two decades of professional experience on retail, commercial, mix-use, high rise residential, and public sector projects. He is a registered architect in Quebec and Ontario and holds a Master of Architecture from the Toulouse National School of Architecture in France.

Since joining ABBARCH in 2015, Stephane has led and contributed to a wide range of projects, taking charge of all project phases, including zoning analysis, code review, coordination with authorities having jurisdiction, preparation of design & contract documents, and overseeing contract administration and site review. His exceptional project management skills, unwavering dedication to fostering strong client relationships, and active participation in the Quality Assurance process on projects have established him as a valuable member of the company’s leadership team. Stephane is fluent in both English and French.

Darryl Gallant

Darryl GallantDarryl Gallant has 20 years of experience and is exceptional in the preparation and coordination of working drawings.

Currently, an associate at ABBARCH, Darryl has strong technical and building science knowledge particularly in commercial and retail building envelope design and construction detailing. His detail oriented approach produces clear and concise contract documents.

Darryl has in-depth knowledge of Ontario’s building code and is an excellent communicator. Darryl’s project experience ranges from retail and commercial buildings to large scale luxury hotels.

Cheongseo Ku
B.Arch., CCNA, MCP

Cheongseo KuCheongseo is ABBARCH’s network administrator and CAD Manager. Cheongseo has been with ABBARCH since 2004, and is responsible for running the IT operations of the company over all offices.

Highly organized and efficient, Cheongseo is also responsible for setting up system standards and managing CAD.

The infrastructure and software implemented by Cheongseo allows us to communicate and work seamlessly between all office locations, and with clients anywhere in the world.

Mike Nogas

Mike NogasMike has over 40 years of industry experience in a wide range of building sectors including commercial, retail, institutional and entertainment. He has served as project architect on many complex institutional and development projects throughout Ontario, Alberta, New York, Chicago and Shanghai. He is a member of the Ontario Association of Architects and the Royal Architectural Institute of Canada and a designated LEED AP BD+C. Leveraging his many years of experience, Mike is serving as Project Architect on several complex projects for ABBARCH’s commercial developer clients such as Oxford Properties and Manulife Investment Management.

Steve Petridis

Steve PetridisAfter graduating from the University of Waterloo, Steve worked in the fields of multidisciplinary design, computer programming and teaching in North America and Europe.

Steve joined the firm in 2006 to oversee the development and maintenance of office standards. His diverse background, eye for detail and understanding of the industry have allowed him to become involved in all aspects of the company’s operations.

Currently, he is responsible for project management, managing information technology systems at the Toronto office, and staff training.

Amir Rezvani
M.Arch., OAA

Amir RezvaniAmir earned his master’s degree in architecture from the University of Science and Technology in Tehran, Iran and joined ABBARCH in 2012. He became a licensed architect with the Ontario Association of Architects in 2020.

Technically well versed and detail oriented, Amir brings professionalism, sound judgement and a desire to meet and exceed expectations with every task he takes on.