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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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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#
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Zohra Mutabanna

Associate | General Manager
New Delhi, India

Zohra Mutabanna
#Associate | General Manager# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Office Lead# #Placemaking# #Planning & Urban Design# #Placemaking# ## #Project / Programme Management# #Transit Planning# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Planning# #Transportation# ##
New Delhi, India, Asia
Zohra Mutabanna is a city and transportation planner, and urban designer with a wide range of experience in transportation planning, architecture, and urban design through projects in the US and India. Zohra has worked on projects involving transit oriented development, non-motorized transportation planning, streetscape design, transit service planning, microsimulation modeling and transit technologies.She graduated from the University of Pennsylvania with a Masters in City Planning and a concentrated focus in transportation planning and urban design.
#Asia#
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Donna Johnston

Associate Director | Practice Lead, Architecture
Toronto, ON

Donna Johnston
#Associate Director | Practice Lead, Architecture# #Acute Care# #Healthcare# ## #All# #Ambulatory Care# #Healthcare# ## #Architecture# #Courts# #Institution# #Civic & Government# ## #Design Build# #Education# #School# ## #Green# #Healthcare# #Higher Education# #School# #Education# ## #K-12 Education# #School# #Education# ## #Labs / Life Sciences# #Healthcare# ## #Leader# #Low Rise Residential# #Residential# ## #Office# #Commercial# ## #P3# #Residential# #Retail# #Commercial# ## #Seniors Communities# #Residential# ## #Subject Matter Expert# #Transit Facilities# #Transportation# ## #Transportation#
Toronto, Ontario, Canada
Donna is a licensed architect and LEED-accredited professional with extensive experience as Project Manager for the programming, master planning, design and construction of complex technical facilities. An Associate with IBI Group with a focus on institutional projects, she has been involved in many challenging educational and science-based lab buildings for diagnostics, research and general academics; transit projects; health care institutions and geriatric facilities, and courthouses. With a solid background in a variety of project delivery types, including compliance-based, design-build, fast-track, P3/AFP, and construction management, she is able to bring creative approaches to the realization of demanding projects. Her experience also extends to corporate, retail, custom residential and interior design. With an integrated and cooperative approach to team-building, Donna frequently assumes the role of user-needs coordinator, and has been the lead for a number of successful and award-winning joint-venture collaborations. Donna is a graduate of Carleton University.
#North America#
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Heather Hayes

Associate Principal | Interior Design, Buildings
Seattle, WA

Heather Hayes
#Associate Principal | Interior Design, Buildings# #All# #Commercial# #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Interiors# #Interior Design# ## #Low Rise Residential# #Residential# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Residential#
Seattle, Washington, United States
https://www.linkedin.com/in/heatherehayes/
At the core of my design process is empathy for the human experience. All my work begins by seeking out an understanding those who will engage with the places we create. It is only once we gain an understanding for the people and their motivations that we can be successful in creating an impactful and successful environment.
In her nearly two decades as an Interior Designer, Heather has worked on a diverse range of project types and scales. She utilizes this broad range of experience to bring the best ideas to each new project. As a leader she has focused on award winning projects in hospitality, multi-family housing, and workplace.
#North America#
Visit Fayez S. Shahin's Profile
Fayez S. Shahin

Associate | Manager, Construction Management
Toronto, ON

Fayez S. Shahin
#Associate | Manager, Construction Management# #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Civil Engineering# #Civil Infrastructure# ## #Construction Management# #Light Rail Transit# #Transportation# #LRT# ## #P3# #Rail# #Transportation# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Facilities# #Transportation# ## #Transportation#
Toronto, Ontario, Canada
Fayez Shahin is a professional Engineer, Project Management Professional and Certified Public Private Partnership Professional with extensive experience in overseeing the development and delivery of large and complex P3 Rail and Transit Projects. Fayez has more than 20 years of experience in Planning, Design, Implementation and Management of Rail and Transit Projects. He has international experience in successful delivery of Metros, High-Speed Rail, LRT, BRT and Infrastructure Projects. Fayez has an outstanding communication and leadership skills with extensive experience in Alternative Finance and Procurement (AFP). He is also well-versed with AREMA Standards and Guidelines, Metrolinx Design Guidelines and Requirements, Ontario Building Code, TTC Design Manual and other relevant Local and International Codes and Standards.
#North America#
Visit David Ashton's Profile
David Ashton

Associate | Manager, Software Development
Burlington, ON

David Ashton
#Associate | Manager, Software Development# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ##
Burlington, Ontario, Canada
https://www.linkedin.com/in/david-ashton-a232b896
David is a Software Development Manager, in the Solutions Group at IBI. Our projects focus on Intelligent Transportation Systems (ITS) applications, which includes solutions for Advanced Traffic Management Systems (ATMS), Performance Measures Reporting and Analysis, CCTV Video Dissemination, Maintenance and Inventory Management software, Fleet Dispatch and Tracking solutions, and Express Lanes Management systems.
#North America#
Alex Ariza

Associate | Manager, Intelligent Systems
Toronto, ON

Alex Ariza
#Associate | Manager, Intelligent Systems# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Mobility+# #Transportation# ## #Operations# #Software as a Service# #SaaS# ## #Systems Engineering# #Systems# ##
Toronto, Ontario, North America
https://www.linkedin.com/in/alex-ariza-a3230628/
Alex Ariza has over ten years of transportation engineering experience spanning software systems planning, design, and deployment, traffic management centre operations, special event logistics and operations, and field data collection. Alex is technically proficient and operationally minded, providing support for the deployment of new software both from technical systems integration and adapting standard operating practices perspectives. They manage the ATMS systems engineering and product operations, bridging the gap between technical software and operations management.
#North America#
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Alexandre Haddad

Director | Sr. Practice Lead, Civic/Industrial Buildings
Toronto West, ON

Alexandre Haddad
#Director | Sr. Practice Lead, Civic/Industrial Buildings# #All# #Automotive# #Industrial# ## #Design Build# #Energy Solutions# #Engineering# #Industrial# #Leader# #Manufacturing# #Industrial# ## #P3# #Project / Programme Management# #Retail# #Commercial# ## #Subject Matter Expert#
Toronto West, Ontario, Canada
Alex Haddad is a professional engineer with a background in mechanical and aerospace engineering, with over 25 years of experience. Alex is currently responsible for Business Development activities for the Automotive, Manufacturing and Commercial and Government sectors in Canada. His experience includes design and development of various complex projects for a wide range of building types including commercial, institutional, and industrial facilities. His clients have included General Motors, Ford, Toyota, Air Canada, Toronto Hydro, telecommunications firms, and post-secondary education institutions. Alex has been involved in master planning design, management and business development activities. His experience encompasses Construction Management, Design-Bid-Build and Design Build projects.
#North America#
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Welland Sin

Associate Director | Practice Lead, Architecture
Toronto, ON

Welland Sin
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Bus Rapid Transit# #Transportation# #BRT# ## #Light Rail Transit# #Transportation# #LRT# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Rail# #Transportation# ## #Subject Matter Expert# #Transit Facilities# #Transportation# ##
Toronto, Ontario, Canada
Welland is an architect with over 10 years of experience in major public transportation projects. Prior to joining IBI Group, Welland gained a diverse background in architecture, graduating from McGill University and working at firms in both Toronto and Montreal. Within IBI Group’s Transit Architecture Studio, Welland has played a key role on projects in Israel, Canada and the United States. Working in both the Tel Aviv and Toronto offices has given Welland a global perspective on the practice, gaining firsthand experience with unique design constraints and diverse construction methods. With local experience in multiple jurisdictions, Welland applies his skills as a team leader and designer to all phases of the project.
#North America#
Visit Welland Sin's ProfileVisit Aamer Shirazie's Profile
Aamer Shirazie

Associate | Manager, Architecture
Toronto, ON

Aamer Shirazie
#Associate | Manager, Architecture# #All# #Architecture# #BIM & 3D Visualization# #High Rise Residential# #Residential# ## #Leader# #Living+# #Residential# ## #Mid Rise Residential# #Residential# ## #Residential#
Toronto, Ontario, Canada
Aamer is a Designer with over 6 years of experience in Mixed-Use Residential design. As part of IBI’s High-Rise Residential Team with a focus on conceptual and schematic design, he has worked numerous single and multi-tower projects and Master Plans in the Greater Toronto Area, Ottawa and Calgary. Notable projects Aamer has been involved in include the Alberta Boot development in Calgary as well Theory Condos in Toronto. Aamer is currently managing the Master Planning and design of several mid high-rise mixed-use projects in the downtown Toronto core and surrounding areas.
#North America#
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Evangelos Pantazis

Computational Design Lead
Los Angeles, CA

Evangelos Pantazis
#Computational Design Lead# #All# #Architecture# #BIM & 3D Visualization# #Civil Engineering# #Civil Infrastructure# ## #Data Analytics# #High Rise Residential# #Residential# ## #Office# #Commercial# ## #Parametric Design# #Design Technology# ## #Quantum# #Research & Development# #Residential# #Spatial Intelligence# #GIS# #Geographic Information System# ## #Systems Integration# #Systems# ##
Los Angeles, California, United States of America
https://www.linkedin.com/in/evangelos-pantazis/
Design is concerned with how things work, how they are controlled, and the nature of interaction between people and technology. When done well the results are brilliant, pleasurable buildings.
Evangelos Pantazis is an architectural engineer, building scientist, computational designer and educator. His research expertise is in complex geometric modelling and generative design strategies in conjunction with daylighting, energy modelling and performance driven design workflows across scales. His work empowers non-specialized architects and designers to develop design alternatives which couple critical design parameters with energy demand and supply, comfort, and livability. To date, he has authored and co-authored journal papers, peer reviewed scientific articles and book chapters. Prior to joining IBI in 2019, Evan was a member of i-lab and Schema Lab at the Viterbi School of Engineering, where his research was supported by a fellowship from the National Science Foundation (NSF), the Department of Energy (DOE) and Autodesk Inc. In practice Evangelos has worked for Graft Architects in Berlin, Studio Pei-Zhu in Beijing, Buro Happold Engineering in Los Angeles, has co-founded Topotheque design research studio and he is the CTO of Fablab Ioannina.Evan holds a Ph.D. in Civil Engineering from the Viterbi School of Engineering at the University of Southern California in Los Angeles, where he was a fellow of both Onassis and Myronis Foundation. Additionally he holds a Master in Computer Aided Architectural Design from the Swiss Federal University of Technology (ETH) in Zurich and a Diploma in Architectural Engineering from the Aristotle’s University in Thessaloniki.
#North America# #Pacific West#
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Sarah Woolmington

Studio Director
Manchester, UK

Sarah Woolmington
#Studio Director# #Acute Care# #Healthcare# ## #All# #Architecture# #Design Build# #Healthcare+# #Healthcare# ## #Office Lead# #Public Outreach# #UK Regional#
Manchester, United Kingdom,
Sarah Woolmington has over ten years of experience working in the healthcare sector and is the lead for healthcare team in IBI Group’s Manchester office. Sarah has the ability to grasp new ideas and integrate them into desired results and is strongly committed to delivering innovative architecture. She has a range of experience across major new build and refurbishment projects for both NHS Trusts and private healthcare clients. She has been involved in both primary and acute care projects from inception to completion through various procurement routes including traditional, partnering and design and build. Sarah has an enthusiasm for meaningful stakeholder consultation and the ability to develop the brief through engagement and interpretation of client/end user needs.
#United Kingdom#
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