We have moved! Our new office address is at 67 Mowat Ave, Suite 432, M6K 3E3. Our phone and fax numbers will remain the same.
We have moved! Our new office address is at 67 Mowat Ave, Suite 432, M6K 3E3. Our phone and fax numbers will remain the same.
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At Kearns Mancini, our team becomes a part of your team.

“Working with Kearns Mancini Architects has been an unmitigated joy. Their creative imagination, professionalism and goodwill made for a harmonious working relationship the results of which I get to enjoy every day.”

Dr Gerd Hauck, Director of the REAL Institute

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Jonathan M. Kearns

CEO, Principal in Charge

Jonathan is the Principal-in-Charge and CEO of Kearns Mancini Architects Inc. Born in Ireland, he graduated from the National University School of Architecture in 1974. As the firm’s creative leader, Jonathan has led the firm’s major institutional, community, and award-winning projects including the Canadian Canoe Museum, Fort York Visitor Centre, Senator O’Connor Estate and Coach House, and Ireland Park. In addition to his strong leadership and motivational skills, Jonathan approaches each project with a holistic vision that embraces social, cultural, contextual, functional, economic, and political realities. This allows him to deliver results that are an enlightened architectural form with remarkable attention to detail. Jonathan is also a passionate advocate of the Passive House Standard, the world’s leading standard in energy efficient construction, as well as architecture that integrates seamlessly with its surroundings.

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Donna Eng

Senior Principal

Donna is a Senior Principal at KMAI and has been with the firm for over 30 years. Donna has a wide range of experience but possesses particular expertise in corporate workspace and retail banking. In 2011, KMAI was appointed Chief Consultant for the Bank of Montreal (BMO) and Donna as lead architect. She oversees all aspects of the design and construction of the BMO’s retail bank branches and corporate workspaces. Donna’s talent has allowed her to be immensely successful in executing a cohesive design vision on a project with such varied requirements and unique challenges.

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Peter Ng

Senior Principal

Peter has been with KMAI for 30+ years after graduating from the University of Toronto. He has acted as design project architect for several of the firm’s notable projects including Deloitte Head Office, RBC WaterPark Place III, and George Brown College’s Centre for Hospitality and Culinary Arts and The Chefs’ House Restaurant. Peter’s holistic design approach allows him to develop creative and innovative ways to resolve client programming needs through unique architectural expression. Always sensitive to a project’s surrounding environment, Peter believes in designs which are responsive to site context and provide an interesting counterpoint between existing and new in the most complementary manner.

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Deborah Byrne

COO, Director of Passive House Design

Deborah is a passionate and highly-skilled design project manager, sustainable builder and problem solver who is dedicated to building better, cleaner, healthier by affordable and equitable means. With a degree in Structural Engineering, she has over 18 years of extensive experience working in the architecture and planning, real estate and construction industry. Deborah has been at the forefront of the Passive House conversation, as a Board Member, Designer, Peer Reviewer, Trainer, Speaker, Policy Change Advocate and Writer on all topics related to PH Design and Construction. She is a founding member of Passive House Canada, Ontario Passive House Group, and the Passive House Association in Ireland. Always on the pulse of Passive House design, Deborah maintains true to her belief that “we can always do better”. Deborah has designed many innovative building envelope solutions for large scale PH developments and has brought forward high performance building innovation in the construction industry.

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Anthony Mancini

Founding Principal

Tony Mancini is a founding principal of Kearns Mancini Architects Inc (KMAI). Born in Hamilton, Tony graduated from the University of Waterloo School of Architecture in 1980. Driven by a keen interest in the cultural underpinnings of the built environment, Tony provides vital direction at all levels of the firm’s activities and is responsible for the development of the national retail standards for one of Canada’s “big five” banks. In 2015, Tony was named a Fellow of the Royal Architectural Institute of Canada (RAIC). This honour is bestowed on architects across the country in recognition of outstanding achievement in the field. In September 2018, Tony retired from active practice but continues to be part of the KMAI family.

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Rick Sealey

Principal, Director of Architectural Technology

With over 19 years of experience, Rick has provided leadership in building technology, design production and construction review. He has been involved in a number of KMAI's most technically complex projects including the Knox Presbyterian Church Renewal, as well as several Passive House projects including 3100 Meadowbrook Lane and YWCA Hamilton. Rick comes from a diverse educational background: he attended the Art Fundamentals program from Sheridan College in 1997 and followed with the Architectural Technology Program from George Brown College where he graduated in 2001. His varied experiences have taught him a wide range of techniques and approaches to working and problem solving as well as an appreciation for the multi-disciplinary and all-encompassing nature of architecture and its relation to our everyday lives and our cities.

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Frank Park


Frank joined the firm in 2020, bringing over 25 years of experience with a broad spectrum of award-winning cultural, institutional, academic, healthcare and mixed-use experience, both locally and nationally. He brings hands-on leadership, a collaborative approach, and an unwavering commitment to client service. Frank’s expertise lies within his ability to manage complex stakeholder needs and translate those needs into thoughtful designs with enduring value. Always setting a high bar for design excellence, Frank’s passion for design is driven by connecting the social, cultural, and environmental contexts that are unique to each project to create meaningful places and communities.

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Niamh Bracken

Finance/Office Manager

Niamh is the Director of Finance at Kearns Mancini Architects. Originally from Ireland, Niamh moved to Canada to pursue her career in finance. After working for several prominent Architecture and Engineering firms in finance and office management capacity she joined the team at KMAI. Niamh is responsible for all billing, invoicing, payment, and office management at Kearns Mancini Architects. Niamh is an active member of The Society for Design Administration Canada where she sits on the board of directors. Her knowledge of finance, contracts, and industry standards for administration and payments make her a valuable member of the KMAI team.

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Heather Button

Intermediate Architect

Heather has worked at Kearns Mancini Architects since 2011 and has over 10 years of experience. She completed both her Bachelor’s and Master’s in Architecture at the University of Waterloo, School of Architecture. Her thesis, Supportive Housing for Mental Health Recovery, was a top 10 finalist for 2007’s CMHC Housing Studies Achievement Awards. Heather was an invaluable resource in the design and programming of the Sarah Steele Treatment Facility in Whitehorse, Yukon that was completed by KMAI in 2016. Over the last several years, Heather has worked with one of the firm's longest standing clients, The Bank of Montreal. She has been responsible for overseeing the design and construction of several bank branches across Ontario. Heather is passionate about architecture that serves the vulnerable. She is a member of the Centre for Healthcare Design, which focuses on evidence-based design.

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Keith Button

Senior Architectural Designer

Keith earned his Architectural Technologist Diploma from Humber College and Master of Architecture from the University of Waterloo. Keith split his studies between the Waterloo, Cambridge, and Rome studios while working for various offices, gaining a breadth of experience and knowledge. Keith has been with KMAI since 2006 and brings considerable experience in project management and BIM which has made his expertise highly sought after by the clients of the firm. He focuses on the detail and functional aspects of projects to maintain design intent through-out.

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Joshua Asiedu

Architectural Designer

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Jon Davies

Architectural Designer

Jon is originally from London, England, where he studied his undergraduate degree at the University of Westminster and a master’s degree at the Bartlett School of Architecture at the University College London, achieving a distinction grade at both levels. Jon has several years experience working in both contemporary and heritage settings in London and Hong Kong, where he has accrued experience in civic/cultural, residential, leisure, hospitality and commercial sectors. He has worked on prestigious London landmarks such as the British Museum and Windsor Castle and particularly enjoys the challenge of designing within historic contexts. Having made the move to Toronto, Jon is excited to bring his design flair and growing technical acumen to help develop innovative and rigorous design solutions.

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Cedric Druetta

Intermediate Architectural Designer

Cedric is a French-trained architect holding a Master of Architecture and Bachelor of Architecture from Montpellier National School of Architecture in France. He has also successfully pursued undergrad studies in civil engineering. Prior to joining KMAI, Cedric managed a branch office of a French architectural firm in Casablanca where he was responsible for the design and construction of 30+ large projects through all phases of work. While his 10-year experience spans across cultural, hospitality, commercial and residential sectors, Cedric has a passion for heritage conservation and Art Deco architecture. Having recently moved to Toronto, Cedric is thrilled to bring his personal touch in the development of a contextualized and environmentally responsible architecture.

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Natalie Krakovsky

Intermediate Architect

Natalie first joined joined the firm while completing a co-op term. She later joined KMAI after graduating from McGill University with a Master of Architecture degree in 2017. With three years’ experience, Natalie is an integral part of the of the KMAI team working on numerous Passive House Affordable Housing projects including Meadowbrook Lane, a 143,000 sq. ft. unit Passive House designed building in Windsor. She is proficient in digital modelling software. Previously, Natalie worked on a number of tenant fit outs, including Ryerson University English as an Additional Language Institute, Deloitte Toronto Headquarters, and the award winning BMO Bank of Montreal Manulife Branch.

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Charlotte Leck

Intern Architect

Charlotte joined KMAI after completing her Master of Architecture degree at Laurentian University in Sudbury. Her Master's Thesis was titled "Empowerment Through Architecture: Women's Transitional Cohousing in Northern Ontario." While working towards her Master of Architecture, she also completed a co-op term at KMAI where she worked on a number of Bank of Montreal (BMO) fit-out and  renovations. Charlotte has a passion for Passive House and has worked on many KMAI conference presentations and publications including: "Procuring Passive House Projects: It takes an expert team and a rigorous methodology," SAB Magazine 2018; Munich International Passive House Conference 2018; Ontario Association of Physical Plant Administrators (OAPPA) Conference 2018: "Fossil Fuel-Free Education: Creating a Roadmap to Carbon-Free Campus", and The Passive House Planning Package (PHPP) User-Group July Meeting. Charlotte has proven to work collaboratively with team members with excellent problem solving skills.      

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Dan McNeil

Senior Architect (Heritage)

Dan has been associated with the firm since 2001 and brings over 30 years of architectural and construction experience regarding all aspects of the practice. Dan’s recent roles at KMAI include local project architect and manager for two award-winning projects, Canadian Canoe Museum and Fort York Visitor Centre. Dan’s project portfolio is extensive and includes elementary schools, colleges, and healthcare. Dan is also the firm's in-house heritage architect, having completed several award-winning heritage projects including the restoration of the John Street Roundhouse, which won a 1996 Toronto Urban Design Award, and the restoration of the Ridpaths Furniture Store, which won the Toronto Annual Heritage Award in 2002. He has been the team leader for several other large heritage projects, notably the stabilization/restoration of the Old Don Jail, Phases 1 and 3 of the Whitney Block and Tower Restoration, and Restorations to the Royal Conservatory of Music and Trinity College.

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Irene Rivera

Intermediate Architectural Designer

Irene joined Kearns Mancini in November 2017. Irene holds a Masters degree in architecture and urbanism from Polytechnic University of Catalonia in Barcelona where she focused on high efficiency architecture and Passive House systems. During her degree she studied abroad in Venice at the University IUAV of Venice where she expanded her knowledge in sustainability and restoration. Irene has 2 years experience as an architect working in Barcelona. Irene has completed the PHPP course in Passive House Design and attends the PHPP user group meetings every month in Toronto to further her skills and knowledge. Irene works on a variety of technically complex projects at Kearns Mancini Architects.

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Sakshi Sood

Intermediate Architectural Designer

Sakshi is a dedicated professional with nine years of experience in over 10 million square feet of projects in her portfolio including: corporate, mixed-used, high-rise and residential architecture, master-planning and corporate and residential interiors. Prior to joining Kearns Mancini, Sakshi spent several years working in Mumbai, India on a number of prestigious projects including Eon SEZ and Piramel Vaikunth. Since moving to Canada, Sakshi worked exclusively on transit architecture projects. Sakshi is skilled in leading, communicating and organizing teams from concept design through to project completion. She is skilled in BIM and Integrated Project Delivery, and was awarded the Green Architecture award for high academic standing and strong leadership skills.

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Esther van Eeden

Interior Project Manager

Esther is a designer and technologist with 10 years of project management experience. Prior to joining KMAI, Esther worked at an architectural firm in Niagara Falls and a boutique interior design firm in South Africa. Her experience spans various buildings scales  including retail, corporate, government, civic, healthcare, schools, high-rise residential  and hospitality. Graduating top of her class with distinction in Interior Design, Esther pursued post graduate studies in Marketing and obtained an MSc in Sustainable Design from the Welsh School of Architecture. She strives to assist multi-disciplinary teams in designing innovative solutions that create a healthier world for all. Esther recently received her Passive House Consultant certification through Passive House International.

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Santiago Tovar

Intern Architect

Santiago joined KMAI in November of 2021 after becoming an OAA Intern Architect. Santiago has a bachelor’s degree in architecture from the Pontificia Universidad Javeriana in Bogotá Colombia, and has 3 years of experience working in an architectural firm, completing complex commercial, mixed-used and condominium projects. Santiago has a passion for detail and for designing spaces that exceed client standards. Outside of work, he is very interested in sports, particularly soccer, and he loves to chat about anything related to technology. Santiago is excited to bring his skills and teamwork for solving problems in Kearns Mancini Architects.

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Laura Swyers

Marketing Administrator

Laura joined KMAI after completing her Master of Environment and Sustainability degree at Western University in London, Ontario where she learned and applied various methods of sustainability analysis from land-use planning to greenhouse gas calculating. Laura has a passion for art, design, and nature. With a key eye for detail and design, she works to maintain the firm's image through social media networks, and a variety of technically complex projects.

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