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Our People

Spread across over 60 cities, our team is a global collective of urban experts in design, architecture, engineering, civil, transportation, urban geography, real estate, landscape, communications, software development and so much more. These are the people defining the cities of tomorrow.

Supporting our global team of 3,500 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Vivian Tong

Associate | Manager, Architecture
Vancouver, BC

Vivian Tong
#Associate | Manager, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Living+# #Residential# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Planning & Urban Design# #Placemaking# ## #Residential# #Subject Matter Expert#
Vancouver, British Columbia, Canada
Vivian is currently a Project Manager on the IBI Living+ team. She has 10 years of experience within the architecture and urban design sectors at IBI Group. With her specialization in multi-family residential and mixed-use developments, Vivian’s expertise is in overseeing and coordinating projects through rezoning and development permitting phases. Her strong organizational skills and ability to introduce innovative solutions are assets to her team and her clients. Vivian’s most recently completed project is Centreview in North Vancouver, a multi-tower residential and office development with retail, affordable housing and daycare components. She is currently working on two rental projects in Vancouver’s historic Victory Square area and an office building in Mt. Pleasant. Vivian has received both a Masters of Architecture and a Bachelor of Arts in Urban Geography from the University of British Columbia.
#North America#
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Zibby Petch

Associate Director | Practice Lead, Active Transportation
Hamilton, ON

Zibby Petch
#Associate Director | Practice Lead, Active Transportation # #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Mobility+# #Transportation# ## #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ##
Hamilton, Ontario, Canada
Zibby is a transportation planner and licensed engineer whose work focuses on active transportation, complete streets and urban street design. She regularly collaborates on multi-disciplinary teams to bring a pedestrian and cycling perspective to planning and design projects, and is a certified Road Safety Professional (RSP1).
#North America#
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Tim O'Brien

Associate | Manager - Landscape Architecture
Hamilton, ON

Tim O'Brien
#Associate | Manager - Landscape Architecture# #All# #BIM & 3D Visualization# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Landscape Architecture# #Library# #Institution# #Civic & Government# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Parks# #Institution# #Civic & Government# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Project / Programme Management#
Hamilton, Ontario, Canada
https://www.linkedin.com/in/tim-o-brien-a4a7751a2/
I lead a team of Landscape Architects and Landscape Architectural Professionals in IBI Group’s Hamilton, ON office. We cover a wide range of the Landscape Architecture industry; providing creative, practical and sustainable design solutions for our clients in both public and private sectors. Having an education in Architecture, Landscape Architecture and Urban Design, my professional inspiration lies in our constructed environment and how thoughtful interactions between built form and site can enhance physical, experiential and functional connections. My professional work focuses primarily on masterplanning, parks and civic spaces, and streetscape design.
#North America#
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Drummond Hassan

Director | Sr. Practice Lead, Architecture
Toronto, ON

Drummond Hassan
#Director | Sr. Practice Lead, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Project / Programme Management# #Residential# #Retail# #Commercial# ## #Subject Matter Expert#
Toronto, Ontario, Canada
With over 40 years of experience, Drummond Hassan’s portfolio has ranged from residential, office/manufacturing, commercial and urban design projects. He is a Registered Architect that has received a Governor General’s Award for Residential Design, the Mississauga Urban Design Award and the Financial Post Design Effectiveness Award. He is currently leading a number of high-rise residential projects across the GTHA, collaborating with various offices in the Region as well as retail projects including the LCBO program and Holt Renfrew. Prior to joining IBI Group, Drummond Hassan was affiliated with architectural firms in London, England and Glasgow, Scotland. He received a B.Sc (Hon) and a B.Arch from Strathclyde University Department of Architecture and Building Science in Scotland.
#North America#
Visit Maja Nesdale's Profile
Maja Nesdale

Principal | Mixed-Use, Buildings
London, UK

Maja Nesdale
#Principal | Mixed-Use, Buildings# #All# #Architecture# #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Education# #School# ## #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Interiors# #Interior Design# ## #Labs / Life Sciences# #Healthcare# ## #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Landscape Architecture# #Library# #Institution# #Civic & Government# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Planning & Urban Design# #Placemaking# ## #Research & Development# #Residential# #Smart Cities# #Strategic Planning#
London, United Kingdom, United Kingdon
https://www.linkedin.com/in/marianesdale/
I strongly believe that great design comes from always being curious and looking to the future. My passion lies in research-based design, shifting the traditional paradigm and embracing future technologies to ultimately help our clients be successful.
Maja is an architect with considerable experience within the academic, research and innovation sectors, where she is experienced at delivering projects across varying scales, internationally and in the UK. Her work focuses around mixed-use developments and the creation of sustainable communities that support resilience, inclusivity and wellbeing. Maja is a celebrated thought leader, sharing her experiences, ideas and knowledge of emerging trends to facilitate global conference workshops and inspire individuals to push boundaries in strategy and design. Maja’s expertise is underpinned by her invested interest in research and evidence-based design. An author and contributor to global research papers, she has helped shape the future of education, campuses and library design. Maja’s passion for research and thought leadership results in proven design excellence in her work. From strategy to realisation, Maja thrives on creating long-lasting relationships that ensure her clients’ projects are successful, regardless of their size or location.
#London# #United Kingdom#
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Caz Thomson

Studio Associate Director
Glasgow, UK

Caz Thomson
#Studio Associate Director# #All# #Leader# #Policy & Design Guidelines# #Project / Programme Management# #Software as a Service# #SaaS# ## #Strategic Planning# #Systems# #Systems Integration# #Systems# ## #Transportation# #UK Regional#
Glasgow, United Kingdom,
Caz Thomson has 20 years of commercial experience in systems architecture design and full lifecycle development within many disciplines, ranging from utilities management, through medical insurance to manufacturing and transportation systems. Caz has excellent technical expertise in a number of development platforms and significant experience in requirements analysis, system design and architecture, the management of large development teams and the delivery of mobile, web and system development projects. Caz also architected IBI Group’s Software and System Development processes and procedures in the UK, using the Structured Systems Analysis and Design Methodology. She currently co-manages the UK Systems team, which now numbers some 20 developers and specialists.
#United Kingdom#
Rick Williams

Associate | Manager, Landscape Architect
Boston, MA

Rick Williams
#Associate | Manager, Landscape Architect# #All# #Landscape Architecture# #Placemaking#
Boston, Massachusetts, North America
https://www.linkedin.com/in/rick-williams-a3497911/
Rick has 17+ years of experience in landscape architecture. Since joining the firm in 2001, Rick has participated in a broad spectrum of project types. His experience ranges from urban parks and plazas, on-structure projects, intensive and extensive green-roofs, corporate and academic campuses, streetscapes, bikeways, canalways, perimeter security and natural resource management. As a technical resource within the office, Rick has extensive experience in making design concepts reality, solving complex constructability issues, and ensuring quality control throughout the construction process.
#North America# #Northeast#
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Steve Kuo

Associate Director | Practice Lead, Architecture
Toronto, ON

Steve Kuo
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Project / Programme Management# #Residential# #Subject Matter Expert#
Toronto, Ontario, Canada
Steve Kuo holds a Master Degree in Architecture from Cornell University and has 25 years of experience in all stages of architectural process with particular focus in design development, technical planning, construction documentation and management during building phase with a specialization in mixed use and high-rise residential projects. As Project Manager, he oversees production of working drawings, contract administration and leads consultant teams for Client/Owner representatives as well as directs an Internal staff of ten on various large scale projects including Maple Leaf Square and Air Canada Centre.
#North America#
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Jim Fox

Director | Sr. Practice Lead, Mechanical Engineering
Southfield, MI

Jim Fox
#Director | Sr. Practice Lead, Mechanical Engineering# #All# #Engineering# #Industrial# #Leader# #Mechanical Engineering# #Operations# #Project / Programme Management# #Subject Matter Expert#
Southfield, Michigan, United States of America
Jim Fox is responsible for the administration of corporate operations and projects. He manages the project organization, scheduling, scope definition, manpower planning, budgeting, expediting the various design disciplines, as well as monitoring their quality and progress. For selected projects, he serves as the upper level liaison with our client.
#Midwest# #North America#
Visit Jim Fox's ProfileVisit Jonathan Levy's Profile
Jonathan Levy

Associate | Manager, Transportation Engineering
San Diego, CA

Jonathan Levy
#Associate | Manager, Transportation Engineering# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #Civil Engineering# #Civil Infrastructure# ## #Design Build# #Engineering# #Light Rail Transit# #Transportation# #LRT# ## #Mobility+# #Transportation# ## #Operations# #P3# #Parking# #Policy & Design Guidelines# #Project / Programme Management# #Subject Matter Expert# #Systems# #Traffic Engineering# #Transportation# #Traffic Management# ## #Traffic Management# #Transportation# ## #Transportation# #Transportation Engineering# #Transportation# ##
San Diego, California, United States of America
Jonathan Levy has 40 years of experience in engineering and public works and known for his ability to produce results working with complex public agencies including the, the City of Los Angeles, Caltrans, CPUC and the City of San Diego. Jonathan is registered both as a Civil and Traffic Engineer in the State of California, and as a Professional Engineer in the State of New York. His various responsibilities over the years included multi-modal transportation planning, traffic engineering, construction management, and public works maintenance.
#North America# #Pacific West#
Visit Matthias Olt's Profile
Matthias Olt

Associate Director | Principal, Architecture
Seattle, WA

Matthias Olt
#Associate Director | Principal, Architecture# #Active Transportation# #Transportation# ## #All# #Architecture# #Automotive# #Industrial# ## #BIM & 3D Visualization# #Bridge Engineering# #Transportation# #Bridges, Roads & Highways# ## #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civic & Government# #Institution# ## #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Data Centre# #Commercial# #Office# ## #Design Build# #Design Technology# #Economic / Financial Analysis# #Education# #School# ## #Energy Solutions# #Entertainment Centre# #Commercial# ## #Environmental Assessment# #Development Engineering# ## #Green# #Healthcare# #Healthcare+# #Healthcare# ## #Healthy New Towns# #Healthcare# ## #Heritage / Historic Preservation# #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Infill Development# #Innovation Districts# #Smart Cities# ## #Interiors# #Interior Design# ## #K-12 Education# #School# #Education# ## #Labs / Life Sciences# #Healthcare# ## #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Library# #Institution# #Civic & Government# ## #Low Rise Residential# #Residential# ## #Manufacturing# #Industrial# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #P3# #Planning & Urban Design# #Placemaking# ## #Research & Development# #Residential# #Smart Cities# #Solar# #Energy Solutions# ## #Strategic Planning# #Sustainability & Environmental Management# #Green# ## #Systems# #Transportation#
Seattle, Washington,
https://www.linkedin.com/in/matthias-a-olt-46111919/
My vision is to create spaces of sculptural lightness that inspire ideas, promote joy and elevate sustainable systems.
Matthias Olt works as a talented design leader and architect. His distinct use of softly swooping waves or crisp, clean lines can be found on culturally significant and sustainably designed buildings across Asia, Europe, the Middle East, and North America. Notable examples of his work include Lotte Center Hanoi, Huarun Tower, Chengdu, China, and The Net, Seattle, USA. Matthias, originally from Frankfurt, Germany, has worked in the industry for 30 years. It’s in sustainability where Matthias truly shines. Most recently, he has pitched bringing wood back into architecture in a big way. His vibrant, climate-aware designs for hybrid builds that include steel or carbon fiber wrapped with wood and cased in cement are a nod to minimalistic and forward-thinking design. In 2022, Matthias received a Fast Company Innovation by Design Award for his design of the unTower, aka Use-Neutral Tower. In 2017, Matthias received an AIA Seattle Honors Award for his innovative design of a 39-story Conceptual Mass Timber Tower in Seattle. Matthias is a registered architect and received the German architecture diploma from the University of Applied Sciences, Frankfurt, Germany, and he also holds an undergraduate degree in chemical science.
#North America#
Visit Tissa De Silva's Profile
Tissa De Silva

Director | Sr. Practice Lead, Intelligent Systems
Toronto, ON

Tissa De Silva
#Director | Sr. Practice Lead, Intelligent Systems# #Airport Taxi Dispatch# #Transportation# #ITS# #Intelligent Transportation Systems# #Transit Technology# ## #Airports# #Transportation# ## #All# #BlueiQ# #Industrial# #Water Resources Management# ## #Leader# #Office Lead# #Operations# #Ports# #Transportation# #Transit Facilities# #Terminals# ## #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ##
Toronto, Ontario, Canada
Tissa De Silva leads the global practice of Intelligent Systems at airports, seaports and other major transportation environments. He specializes in ITS systems and solutions, including Traffic Management and Traffic Safety Systems on both local and International arenas. He has over 25 years of experience in Advanced Information Technology Systems, including System Architecture, Software, Hardware, Application Design and Solutions. He is a North American expert for the U.S. National ITS Architecture Program and for Volpe Research Center in the U.S. Real-time control, monitoring, and revenue management systems for transportation networks and Artificial Intelligence-based control and optimization of energy management solutions for “Smart City” water utilities are marquee projects he has directed for clients in Canada and the U.S. Tissa has worked with Homeland Security in the U.S. on developing cargo container / railcar monitoring and control systems as well as major revenue management systems for transportation management authorities. He has also led multi-million dollar Revenue Management and Monitoring and Control Systems for a variety of transportation clients across the globe.
#North America#
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