Toronto Metropolitan University (formerly Ryerson University), Bachelor of Applied Arts in Interior Design, 1990
University of Toronto, Bachelor of Arts, 1986

Professional Affiliations

Member: Association of Registered Interior Designers of Ontario
Member: Interior Designers of Canada
Member: LEED Accredited Professional

Major Projects

Carleton University ARISE Building
Cayman Islands Long Term Residential Mental Health Facility
Centre for Addiction and Mental Health Phase 1C
Corner Brook Long Term Care
George Street Revitalization
Montcrest School Redevelopment
Ontario Tech University Shawenjigewining Hall
Peel Manor Senior’s Health and Wellness Village
Sheridan College HMC Phase 2
University of Toronto Myhal Centre for Engineering Innovation and Entrepreneurship
West Park Healthcare Centre

Brampton Courthouse Addition Phase 2, PDC

Gabrielle Rossit


Senior Associate, Interior Designer

Gabrielle joined Montgomery Sisam in 2016 with a rich portfolio of design work. She brings more than 20 years’ experience developing interior design solutions for institutional, corporate, professional and financial market sector clients.

Gabrielle is exceptionally proficient in consulting with multiple and diverse user groups, evaluating their work patterns and processes, and developing applications to better support people in their wellness and work. Intrinsic to her approach is an emphasis on efficiency and flexibility gained through innovative space planning, new technologies and integrated building systems.

Gabrielle has demonstrated expertise in project management, programming, design development, document control, FF&E, feasibility planning and sustainability, and has contributed to a number of notable projects. These include the Planning, Design and Compliance for the Centre for Addiction and Mental Health Phase 1C, the Sheridan College Hazel McCallion Campus Phase 2, the University of Toronto Myhal Centre for Engineering Innovation and Entrepreneurship and Peel Manor Seniors Health and Wellness Village.

As a designer, Gabrielle strives to continue to grow and better understand the changes in our society, developing design solutions that respond to the challenges we face today. She is a LEED accredited professional and highly knowledgeable in WELL standards.