An intimate studio allows us to maintain consistently high standards with every project.

Robert is a landscape architect, urban planner and architect (UK) with over 50 years of professional and academic experience. The broad range of work he has undertaken across Canada and abroad for public, institutional and private sector clients, in many different contexts, has provided an extensive understanding and skill in working with multi-dimensional urban design projects. A founding partner of DTAH, Bob continues his significant and active contribution to DTAH as Partner Emeritus. Robert is best known for his long standing, continuing and award-winning urban design work in the National Capital, Fort York and the Toronto Waterfront as well as visual analyses and views protection studies and plans for institutional campuses across the country. He also maintains a commitment to helping community design, planning and heritage advocacy groups.

In recognition of his work, Bob was presented with the 2016 Canadian Society of Landscape Architects’ Lifetime Achievement Award for his contributions to the profession of Landscape Architecture that have had a lasting impact on the welfare of the public and environment. He is also recipient of the Ontario Association of Landscape Architects’ Pinnacle Award; a Canada Council Arts Award; a Fulbright Scholarship Award and the Royal Institute of British Architect’s Soane Medallion.

John is a landscape architect with over 40 years of varied experience. He joined DTAH in 1977 and became a partner in 1985. His public realm experience includes planning and design of park and campus landscapes, waterfronts, public institutions, and transportation infrastructure. Much of this experience includes significant heritage landscapes, repurposed buildings, and impacted industrial sites, such as the Distillery District and Evergreen Brick Works in Toronto, Banff Centre in Alberta, and Confederation Square and Laurier Avenue Bridge in Ottawa. He has also completed considerable landscape and urban design projects for private clients including Concord Adex, Great Gulf, and Urban Capital.

In 2003 he became a Fellow of the Canadian Society of Landscape Architects and has received numerous CSLA planning and design awards. He is also currently a member of the Mississauga Urban Design Review Panel, and has been a studio critic at the Universities of Toronto and Guelph, a jury member for the Design Exchange Design Business Effectiveness Awards, and Urban Design Awards for Toronto, Mississauga, Markham, and Brampton.

Megan is an architect whose professional development has been influenced by a strong personal interest in adaptive reuse and the integration of contemporary architecture into historic urban fabric. She joined DTAH in 2006 and became a partner in 2012. She was fortunate early in her career to play a key role in the Artscape Wychwood Barns and Evergreen Brick Works projects, cementing her passion for community-based projects and meaningful public engagement. Her socially-minded, contextually-sensitive portfolio has grown to include the award-winning entrance pavilion to Tommy Thompson Park, the revitalization of the northwest corner of Dufferin Grove Park, the St. Andrew and Dane Avenue Child Care projects, the Niagara Falls Exchange: Farmers’ Market and Cultural Hub, and the Baker District One Planet Living Redevelopment in Guelph.

With a background in art and architectural history, Megan has taught the history of Contemporary Architecture at the University of Toronto, and is a frequent guest lecturer and design critic at the University of Waterloo and Toronto Metropolitan University. She is chair of the City of Vaughan Urban Design Review Panel and former Chair of the Toronto Society of Architects.

James is an award-winning landscape architect with over 25 years of experience across Canada and USA. He joined DTAH in 2015 as a partner. His expertise encompasses all aspects of public landscape architecture including the design of urban parks, plazas, waterfronts, campus master plans, revitalization, streetscapes and green infrastructure.

James is currently leading the design of Ordnance and Wellington Park in Toronto and Edgeley Pond and Park in Vaughan. Recently completed projects include the award-winning St. Andrew's Playground Park in Toronto, the Humber Bay Park Master Plan, the Brampton Riverwalk Master Plan, new parkettes for the Bloor Annex BIA, and Ethennonnhawahstihen' Park at Concord Park Place. Prior to joining DTAH, he was the Director of Park Design and Construction with Waterfront Toronto where he worked with firms on the design and construction for several award-winning projects in Toronto, including Sherbourne Common, Sugar Beach, Corktown Commons and Queen's Quay Revitalization. James lectures extensively on landscape architecture, has held a sessional teaching position at the University of Toronto since 2000, and is a frequent contributor to professional international journals.

Brent is an urban designer, planner, and landscape architect whose primary interests are related to city building. He joined DTAH in 2006 and became a partner in 2012, and is a Fellow of the Canadian Society of Landscape Architects. Brent has worked throughout North America, with over 20 years of award-winning experience with public and private clients in a range of work that includes community and campus planning, urban design, and landscape architecture. He has a particular expertise in built form guidance, public realm and street design, and has contributed to numerous studies and design efforts.

Brent has led the firm’s contribution to a number of influential and transformational projects such as the Queens Quay Revitalization, Toronto Complete Streets Guidelines, Lower Don Valley Master Plan, Harbour Street Revitalization, the Green Line, Wascana Centre Master Plan, and Toronto Metropolitan University’s Public Realm Plan. Brent is a committed civic minded professional who is a frequent presenter, lecturer and guest critic at conferences, symposiums and universities. He is also a member of the City of Brampton’s first Urban Design Review Panel.

Mark first joined DTAH as an architect in 1987, and became a partner in 2000. He has a strong interest in designing and implementing urban projects that enhance the public realm through integration of architecture and landscape, and has developed particular expertise in bridges, community buildings and transit infrastructure projects. Mark consistently delivers high quality work which has resulted in many design awards for the firm.

Notable projects include Garrison Crossing at Fort York Historic Site in Toronto; Flora Footbridge over the Rideau Canal in Ottawa; , Edgeley Strata Park Pavilion for the City of Vaughan; MacNab Transit Terminal in downtown Hamilton, East Hamilton Waterfront Link Bridge over the QEW, as well as Corktown Footbridge and Vimy Memorial Bridge in Ottawa. In recent years Mark has also led the design and implementation of several City of Toronto shelter projects, both renovations and adaptive re-use.

Brian is an award-winning architect with over 30 years of experience. He has led a variety of key projects at DTAH over the past twenty-five years, ranging from modest in program and scale to substantial buildings of advanced complexity.

Working with his clients as part of an integrated team, Brian produces work of the highest quality, merging contemporary architectural design with technical expertise, creating unique building solutions that are responsive to their context.

Brian's recent architectural experience includes a diverse range of institutional and community-based buildings in both new construction as well as adaptive re-use, including Evergreen Brick Works, the Aerospace Innovation and Research Centre at Downsview Park, Mississauga Visual Arts Centre and the Parkdale Community Hub.

He has been part of large international teams responsible for the planning, design and implementation of the master plan for Kuwait University and has acted as Project Director leading the firm’s efforts on the Toronto Central Waterfront.

Brian is a mentor and design critic at the University of Waterloo and Toronto Metropolitan University and is a professional advisor to the George Brown College Architectural Committee.

Yvonne is an architect and landscape architect with a keen interest in the intersection of landscape architecture and buildings with a particular focus in complex projects where high quality public realm is integrated with civic infrastructure. Since joining DTAH in 2006, she has played a pivotal role in many key projects across Toronto’s Central Waterfront. She is adept at both leading and collaborating within multidisciplinary teams and is currently managing the design and delivery of Queens Quay East, the second phase of a complete street exemplar, and Parliament Slip, an exciting public destination in the heart of the East Bayfront.

Yvonne has served as an adjunct assistant professor at the University of Waterloo School of Architecture and regularly participates as a guest critic at Toronto Metropolitan University’s School of Architecture.

Colin is a landscape architect and urban designer with 20 years of experience. He joined DTAH as an associate partner in 2023. His extensive design and project management experience includes public parks, urban revitalization studies, green infrastructure, environmental assessments, streetscapes and waterfront master plans. With a strong interest in community-focused projects and low impact development, Colin also brings extensive experience collaborating with Indigenous communities on numerous placemaking projects across Ontario.

His background in landscape architecture and urban design allows him to lead a wide range of projects for public and private sector clients, consistently providing exceptional client service, team management, and project delivery. By fostering collaboration and empowering diverse teams of design professionals, he facilitates the creation of innovative and sustainable solutions.

Peter is a landscape architect with over 30 years of experience in urban design, project development, and execution. He has extensive experience working with municipal and government organizations on projects that improve the public realm including streetscapes, bridges, transit projects, and campus plans, as well as with projects in the private sector. Peter has a particular interest in the analysis and planning of historic and cultural landscapes, and has worked on some of Canada's most important and well known sites, including Ottawa's Confederation Boulevard and Parliamentary Precinct Area long range plan, and Toronto's Fort York Open Space Plan; Fort York Heritage Conservation District Plan; the Garrison Common Rehabilitation Program and the Coronation Park Heritage Interpretation Plan.

After serving as Partner for 20 years, Peter continues his significant contribution to DTAH as a senior landscape architect, managing a portfolio of diverse projects including the First Parliament Heritage Interpretation Strategy and Master Plan; the redesign of Temperance Street and the reinstatement of Toronto’s Cloud Gardens.

Tanya is a landscape architect with over 20 years of experience in large urban parks, streetscape design and bridge architecture. She has extensive experience in detailed design, contract documentation and contract administration, and demonstrates exceptional design and technical leadership in her work. She joined DTAH in 2000 and became a Senior Associate in 2021.

Tanya has played a key role in the design and implementation of several important DTAH landscape projects. Of note is her long-standing commitment to the Queens Quay Revitalization project in Toronto’s Central Waterfront. She was instrumental in the delivery of the project, from the winning competition entry through environmental assessment, detailed design, public consultation, construction documentation and almost four years of implementation.

Recent projects include the newly completed Dr. Lillian McGregor Park in downtown Toronto, Phase 1 of the Humber Bay Park Master Plan Implementation, and Brampton Riverwalk -- projects that will create sustainable and resilient public spaces for social gathering and recreation. Ranging in size from local community parks to an urban watershed, each of these projects has a strong design focus that provides seamless accessibility, integration with the urban context and contributes to the understanding of the natural and cultural heritage of each site.

Charles is an architect with a focus on adaptive re-use buildings and renovation projects for institutional, commercial and residential projects, as well as large-scale infrastructure projects such as bridges and transit facilities. Charles joined DTAH in 2007, became an Associate in 2017 and a Senior Associate in 2021. He has been involved in a variety of architectural and urban design projects, with a particular emphasis on design development, contract documentation and contract administration.

Charles is currently working with the City of Toronto to improve the City’s shelter system for unhoused people, and has worked with other non-profit, socially-minded clients such as the Salvation Army and Evergreen. He recently led the detailed design and construction documents for Crow’s Theatre, Little Trinity Church Redevelopment and Regent Park Children and Youth Hub.

Ayako is a landscape architect with over 15 years of professional experience in North America and Japan. She joined DTAH in 2005 and has exemplified leadership and dedication to her projects and the practice ever since. She was named Senior Associate in 2021. She has developed extensive experience in a wide range of projects of different scales and complexity from urban public realm designs to neighbourhood masterplans, campus plans, healthcare, and waterfronts. She has worked with both private and public sector clients, delivering thoughtful leadership in every phase of the design process from initial concept through to project implementation.

She is currently leading the design and delivery of the final phase of the East Bayfront Dockside Public Realm, as well as the Schwartz Reisman Innovation Centre for the University of Toronto. Other notable projects include Durham College UOIT, Southbrook Vineyard, Toronto Waterfront WaveDecks and East Bayfront Master Plan.

Ayako is a member of the Mississauga Urban Design Review Panel, and a recipient of the Government of Canada Award, the Garden Club of Toronto Award, and a University of Toronto Fellowship.

See-Yin is a landscape architect with experience across Canada that is community-focused, accessible, and sustainable. She is currently leading the public realm and streetscape design for Northcrest’s 1st District at Downsview, and Waterfront Toronto’s Port Lands Flood Protection and Enabling Infrastructure Project--developing the character and framework for streets and open spaces for these new communities. She is also overseeing the detailed design for Fort McMurray’s Waterfront Park Revitalization, and City of Toronto’s Green Line – Geary Avenue and Macpherson Avenue Park implementation. See-Yin is involved in the TRIEC Mentoring Partnership Program, and is an OALA PDP Reviewer, and volunteer member of the Council of Landscape Architectural Registration Boards.

Jordan has a broad range of architectural experience throughout Canada, the United Kingdom and the United States and has made significant contributions as a design leader since joining the firm in 2008. Jordan works within a broad range of teams and helps clients plan, design, and execute projects that are reflective of their aspirations and visions.

Jordan’s multi-disciplinary work encompasses a variety of project types, from small residential and institutional projects to tall and midrise buildings, urban design studies, intensification studies, and campus master plans.

Jordan is currently working with CreateTO to provide much needed community-based facilities and affordable housing as part of the City’s Housing Now initiative on projects like the Parkdale Community Hub, Danforth Garage and Queens Wharf development studies.

Other notable recent projects include Brookfield Communities Dockside in Whitby Harbour; Toronto Film Studio District Precinct Plan; Crow’s Theatre and the TRCA Headquarters Visioning Study.

Elnaz is a landscape architect with over 10 years of experience in North America and the Middle East. Since joining DTAH in 2011 and being named an Associate in 2021, she has distinguished herself as an invaluable team member on several important and transformative streetscape projects in Toronto, most notably the award-winning revitalization of Queens Quay Boulevard, the John Street Cultural Corridor, and Willcocks Common at the University of Toronto.

Elnaz is an innovative and critical thinker with a particular interest in the aesthetics and creative communication of landscape architecture. She led the recently completed St. Andrew’s Playground Park, the site of the City’s first public playground, and is currently leading the revitalization of St. James Town West Park, which brings a fresh design and new play spaces that better meet the needs of the vibrant and diverse St. James Town community. When completed, this project will act as a safe and welcoming destination and inspiring outdoor green space.

Elnaz is a sessional studio instructor in Landscape Architecture department of the Daniels Faculty of Architecture, Landscape and Design at the University of Toronto and a regular guest critic at landscape architectural studio reviews.

Victoria is a landscape architect and urban designer with experience delivering projects for both public and private clients across Ontario. She works at multiple scales from long-term master planning to construction detailing. Her work explores methods of integrating nature and natural processes into urban experiences, creating places for living and community. She is currently the landscape architect for the Toronto Island Park Master Plan, the highly anticipated Forma Condos on King Street West (formerly Mirvish + Gehry) in the heart of Toronto’s downtown core, and led the recently completed University of Toronto Scarborough Campus Landscape and Public Realm Master Plan.

Trained in architecture with a specialization in urban design and landscape architecture, DJ has over 30 years of technical and management expertise. He has played a central role in the realization of many of the firms’ corporate, commercial, residential, and park projects, most notably ongoing work at Square One Residential Development, Shopping Centre in Mississauga, the Bank of Canada Head Office Renewal in Ottawa, Concord Park Place and Ethennonnhawahstihnen' Park in North York, and Yonge + Rich Development in downtown Toronto.

David has had a varied career in both the public and private sector, and over 30 years of experience as an architect who specializes in urban and industrial design. With an aptitude for technical problem solving, David has worked on streetscapes, campus plans and bridges. Notably, he is responsible for the iconic Toronto Bike Ring design, the Baldwin Steps landscape, and the Railway Lands family of streetlights.

David concentrates on urban and industrial design projects. He has contributed to a number of award-winning DTAH projects, including Evergreen Brick Works and Toronto Central Waterfront, and his expertise in lighting design has also been put to use in a wide range of projects, including bridges, campus landscapes and city master plans.

Judith has 40 years of bookkeeping experience, of which 30 years have been with architecture, landscape architecture, and design firms. Since joining DTAH in 2006, she has played a crucial role in maintaining the firm’s accounts, including contracts, billing, invoicing, and payroll, working closely with partners, project managers, and clients to ensure projects are delivered successfully.

In addition to managing DTAH’s accounting requirements and providing day to day leadership of the finance function, Judith also oversees Human Resources administration, assisting in the operational performance of the firm.

Melissa is the DTAH office administrator. She ensures that the firm is a welcoming and inspiring place to work, visit and collaborate – both in person and virtually. Her attention to detail, aptitude for organization, and excellent communication skills help DTAH maintain an efficient workflow. With extensive experience in a variety of customer service and administration roles, she is motivated by the opportunity to support teams and foster a positive and productive office environment.

Melissa’s arts background and design interest has propelled her to play a central role in the planning of numerous exhibits and installations that the office has hosted over the years, most recently an art installation for DesignTO.

Lauren supports all business development and marketing initiatives for DTAH, including designing and coordinating proposals, publications and social media.

A detail-oriented communicator with an eye for design, Lauren has a strong interest in urban design and city building. Prior to joining DTAH, Lauren led marketing and communications for a nonprofit dedicated to helping more people commute sustainably and brings experience in web and graphic design, writing and project management. Outside of work, Lauren is a member of the Toronto chapter of Urban Sketchers, an international community of artists who draw on location.

Sandy is a landscape architect and urban designer who has worked on a range of public and private projects across Ontario. Her educational background in both landscape architecture and urban design reflects her keen interest and passion for both natural and built environments. Combining the two disciplines makes her uniquely able to deliver the fundamental requirements necessary for high quality, large-scale projects that integrate infrastructure and nature, built forms and landscapes.

Since joining DTAH in 2016, Sandy has contributed to major transit and P3 projects, such as the TTC Downtown Relief Line and the Finch West LRT, and is currently working on the landscape architecture and streetscape design for Waterfront Toronto’s Port Lands Flood Protection, a project that will provide the critical infrastructural foundation for the development of innovative mixed-use communities and economic growth in Toronto’s Port Lands District.

Sandy is also involved in Edgeley Pond and Park in Vaughan as well as the Green Line Implementation Plan, which transforms ‘left over’ spaces to create linear parks along Toronto’s Dupont hydro corridor.

Corin is a landscape architect who is dedicated to crafting nature-centric public spaces that serve their community. Her work focuses on how green technologies both old and new can help us create more resilient and joyful urban places.

Corin has a wide range of experience in all phases of design, from public engagement and concept design through detailed design to project implementation. Since joining DTAH, she has contributed to various projects, including the design and development of the new public realm, streetscape and low impact development strategies for the Port Lands Flood Protection project; the transformation of Queens Quay Boulevard East; the public realm vision for the Quayside community; and the activation of Parliament Slip.

Fraser is a landscape architect with experience working on a variety of transit, streetscape, park and plaza projects across Canada. His work focuses on integrated public realm design and thoughtful solutions for urban infrastructure.

Fraser’s experience in design development, project management, and construction administration is coupled with a strong understanding of visual communication, environmental psychology and graphic arts.

Fraser has been a valuable member of the design and implementation of several high profile and complex transit projects in Toronto, including the Finch West LRT and Eglinton Crosstown LRT. Fraser has also contributed to the design and construction of Confederation Beach Sports Park in Hamilton, and St. Andrew’s Playground Park in downtown Toronto.

Nadia is an architect and project manager with experience in creating, implementing, and managing complex design projects from initial conceptualization through to execution and ongoing strategic management and review.

Since joining DTAH in 2017, Nadia has contributed to a number of the firm’s key architectural projects, helping to create sustainable mixed-use developments and beloved community hubs, such as Eltuek Arts Centre in Sydney, Nova Scotia; Niagara Falls Exchange: Farmers’ Market and Cultural Hub; Cummer Avenue United Church Renewal in North York; Baker District Redevelopment in downtown Guelph, one of only two One Planet Living-endorsed developments in Canada, and St. Aidan Church Revitalization in Toronto.

Justin is an architect interested in sustainable design, building tectonics, and adaptive re-use. He is the only Canadian Winner of the 2017-18 AIA COTE Top Ten for Students, “Innovation 2030” Competition recognizing high-level sustainable design projects from universities across North America.

Since joining DTAH in 2019, Justin has contributed to the design and construction documentation and management of a variety of the firm’s architectural and bridge design projects. These include multiple CreateTO Housing Now projects: 150 Queens Wharf, 1250 Eglinton Ave W and Danforth Garage, as well as the Mass Timber Pilot Study. Justin has also contributed to a number of Shelter Facilities for the Salvation Army and the City of Toronto. He is currently overseeing construction of the Edgeley Park Pavilion in Vaughan, Glen Road Pedestrian Bridge, and the Lower Don Trail Access Ramp, and working on the Aerospace Innovation and Research Centre at Downsview Park, Dufferin and Dunn & Dowling Bridges, and the Garden City Skyway Aesthetics Study & Implementation.

Iman has been working as a landscape architecture technician, project manager, and construction estimator for over a decade in several countries. His wide-ranging experience in landscape and infrastructure, specifically in complex street and transit projects is most notable.

Since joining DTAH, Iman has played an important role in the landscape architecture of the Hurontario Light Rail Transit project, which connects Mississauga and Brampton from Port Credit to Brampton Gateway Terminal, Davenport Diamond Elevated Guideway and Grade Separation project, Eglinton Crosstown West Extension and Finch West LRT.

With over a decade of experience in a wide variety of landscapes, both in Canada and abroad, Alon seeks to integrate sustainable practices and design excellence into all his projects. He has worked with healthcare, residential, commercial, and educational clients, and has contributed to master plans for mixed-use developments, parks and transportation infrastructure.

Since joining DTAH, Alon has played a key role in the design and delivery of the Canadian Science and Technology Museum in Ottawa; Toronto Metropolitan University’s Daphne Cockwell Health Science Complex; University of Toronto's Schwartz Reisman Innovation Campus, a landmark project at the heart of the St. George Campus, and Confederation Beach Sports Park, a 93-hectare sports and recreation complex on Hamilton’s waterfront.

Andrey is a landscape designer who brings a keen interest in ecologically-responsible design and an understanding of the importance of placemaking to all his projects. He has worked both in Canada and abroad and strives to strengthen connections between people and landscapes through sustainable practices that support urban development and community growth.

Since joining DTAH, he has contributed to a number of projects including: the Baker District Redevelopment Public Realm in Guelph, as well as Downsview Hangar District Framework Plan and the Tommy Thompson Park Entrance Landscape. Andrey is also currently working on Concord Tower Developments, Phase 1 of the Revitalization of the former Christie Cookie Site at 2150 Lake Shore Blvd W, including Park Lawn GO Station Public Realm as well as Mirvish + Gehry Towers Public Realm and Amenity Design for the City of Toronto.

Shay is an architect with a decade of experience in all stages of design and construction. He is a skilled manager, often working with large multi-disciplinary teams on complex building projects. A common thread in all of his work is the incorporation of sustainable design principles and the commitment to creating positive spaces for neighbourhoods and communities.

Since joining DTAH, Shay has contributed significantly to the design, technical delivery, and management of the Baker Street Development in Guelph, one of only two One Planet Living-endorsed developments in Canada, and is currently working on a number of community-focused projects including the Salvation Army Florence Booth House, L'Arche Daybreak Church Street Residence, as well as improvements to one of the City of Toronto shelters.

Prior to joining DTAH, Shay worked on numerous award-winning private residential projects as well as integrated shelters for the City of Brampton parks. Through this work, Shay developed an interest in new architectural materials and sustainable applications of locally-sourced construction resources.

Alexandra is a landscape designer who brings an interest in placemaking and stormwater management as it relates to urban public space to all of her work. Her project experience centres around the sustainability of spaces and how they contribute to the natural environment.

Since joining DTAH, Alexandra has worked on a number of public-realm, parks and residential projects and pursuits, including 200 Queens Quay, the Legacy Art Project, the Fort McMurray Waterfront Revitalization, Western University Pedestrian Enhancements, the 685 Warden Avenue landscape design, as well as a mixed-use and adaptive re-use development project in Liberty Village. She has also provided graphic support on various projects including the Toronto Island Park Master Plan, St. James Town West Park, and Edgeley Strata Park.

Felix is an architectural designer with experience working in studios across Canada and the United States, taking projects from the initial phases of conceptual design through construction. His body of work spans multiple disciplines, with a special interest in off-site fabrication and adaptive reuse.

Since joining DTAH, he has been working on the Baker Street Development in Downtown Guelph, a total precast project, and one of only two One Planet Living-endorsed developments in Canada.

Outside the office, Felix’s personal pursuits in storytelling and craft have earned him exhibitions at Sir John Soane’s Museum in London, the TIFF Bell Lightbox, and Nuit Blanche Toronto.