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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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Parvathy Pillai

Associate | Manager, Transit Technology
Toronto, ON

Parvathy Pillai
#Associate | Manager, Transit Technology# #Active Transportation# #Transportation# ## #Advanced Traveler Information System# #Advanced Traveller Information System# #Transportation# #511# #ATIS# ## #All# #Data Analytics# #Energy Solutions# #Mobility+# #Transportation# ## #Project / Programme Management# #Research & Development# #Strategic Planning# #Sustainability & Environmental Management# #Green# ##
Toronto, Ontario,
https://ca.linkedin.com/in/parvathy-krishna-pillai
Parvathy Pillai is an established sustainability leader experienced and certified in program and project management (PgMP and PMP). She is also a Six Sigma/lean practitioner (ASQ Six Sigma Black Belt) with strong experience in the zero-emission transportation technology industry. She is a results-driven leader with over 6 years of experience in consulting supporting transit agencies, municipalities, cities and private sector partners across North America in energy transition to clean transportation solutions. She has over 12 years of industry experience in program and project management, planning, and successful execution. She has successfully led more than 50 transit electrification and decarbonization projects in North America.
#North America#
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Mansoor Kazerouni

Global Director | Buildings
Toronto, ON

Mansoor Kazerouni
#Global Director | Buildings# #All# #Architecture# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Regional / Sectoral# #Senior Management# ## #Residential# #Senior Management#
Toronto, Ontario, Canada
Every building has its own idiosyncratic constraints of context, site, program, budget, and vocabulary. The challenge is to successfully resolve them into a gracefully crafted architectural composition. Our role as designers is to ensure that each building has its own personality and responds appropriately to its urban context. This is what we do best.
Mr. Kazerouni is the Global Director of Buildings at IBI. Mr. Kazerouni graduated from Washington University in St. Louis with a Master’s degree, in 1991. With over 25 years of experience, he has a significant portfolio of projects completed or underway across Canada, the United States, the UK, UAE, Jordan and India. These include high density high-rise residential buildings, hotels, office, retail, institutional, and complex urban mixed-use developments. A number of these projects have been nominated for and received Urban Design and Architectural Design awards. Mr. Kazerouni has been a guest lecturer on the subject of architecture and mixed-use design at universities, conferences and various panels. He has also been interviewed on the subject by architectural publications, newspapers, television and other media. Mr. Kazerouni’s abilities and expertise in his field have been recognized by his appointment to the City of Mississauga’s Urban Design Advisory Panel, the City of Markham’s Urban Design Advisory Panel and the City of Vaughan’s Urban Design Advisory Panel. He is also a past Advisory Board Member of the Urban Land Institute, and a member of the Royal Architectural Institute of Canada.
#North America#
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Jerry Xu

Associate | Manager, Architecture
Toronto, Ontario

Jerry Xu
#Associate | Manager, Architecture# #All# #Architectural Controls# #Architecture# ## #Architecture# #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Entertainment Centre# #Commercial# ## #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Living+# #Residential# ## #Low Rise Residential# #Residential# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Parking# #Project / Programme Management# #Residential#
Toronto, Ontario, Canada
Mr. Xu directed production teams for preparation of working drawings in large scale projects (Concord Adex Luna, Discovery, Tango, and Omega condominiums, Air Canada Centre Expansion, Yonge Eglinton Centre Expansion to name a few). He was also responsible for the coordination and management of contract administration during construction phases for projects as mentioned above.
#North America#
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Dave Barrett

Associate | Manager, Planning
Waterloo, ON

Dave Barrett
#Associate | Manager, Planning# #All# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Planning & Urban Design# #Placemaking# ## #Subject Matter Expert#
Waterloo, Ontario, Canada
Dave Barrett has over 15 years of land use planning and development experience. He has extensive experience in aggregate site planning and licensing and processes related to aggregate applications, including work for a number of clients ranging from smaller individual producers to the top aggregate producers in Ontario. As Manager of Aggregate Planning, Dave provides project management and planning evaluations for pit and quarry applications under the Aggregate Resources Act. Dave also provides urban and regional planning, analysis, and research support for all aspects of the IBI’s activities. He has experience in providing planning consulting services to municipalities and private sector clients, resource planning, and licensing. He is also experienced in obtaining development approvals, Environmental Assessments for waste management projects, Class Environmental Assessments, and other environmental approvals. He has provided expert evidence before the Ontario Municipal Board. Dave is a Registered Professional Planner and is a member of the Canadian Institute of Planners.
#North America#
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Konstantinos (Kostas) Paslis

Associate | Manager, Infrastructure
Athens, Greece

Konstantinos (Kostas) Paslis
#Associate | Manager, Infrastructure# #All# #BIM & 3D Visualization# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Design Build# #P3# #Parking# #Rail# #Transportation# ## #Transportation# #Transportation Engineering# #Transportation# ##
Athens, Greece, Europe
https://www.linkedin.com/in/kpaslis/
Challenge Everything
Konstantinos is a Civil infrastructure Designer with extensive knowledge in Project Management processes and Scrum methodology. With more than 20 years of experience, he has been engaged in Railway, Metro, Motorway and Light Rail projects in Southeastern Europe, Middle East, and North America. He has participated in interdisciplinary Design Teams having the role of Team Leader, Project Designer, Project Manager, Scrum Master, 3D visualizer, In-house Software Trainer and Design Checker.
#Europe#
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David Hook

Associate | Manager, Transportation Engineering
Ottawa, ON

David Hook
#Associate | Manager, Transportation Engineering# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Leader# #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ##
Ottawa, Ontario, Canada
https://www.linkedin.com/in/david-hook-358a1a147/
David is a Transportation Engineer with IBI Group and has over 14 years of professional experience in transportation planning and engineering design. As manager of IBI Ottawa’s transportation engineering team, David’s core responsibility is to oversee the production of transportation impact assessment studies in support of Official Plan, Zoning By-law Amendment, and Site Plan Control applications, as well as the management of development-related transportation facility design projects. He also has a wide array of experience in the following areas: transportation micro-simulation modelling, roadway design, construction inspection, contract administration, public meetings, environmental assessment studies, community design plans and graphics/visualization. Mr. Hook‘s work is driven by his enthusiasm for Sustainable Transportation, Transit-Oriented Development and the adaptation of technology through Intelligent Transportation Systems.
#North America#
Tom Shannon

Associate | Manager, Intelligent Systems
Toronto, ON

Tom Shannon
#Associate | Manager, Intelligent Systems# #Advanced Traffic Management System# #Transportation# #ATMS# ## #Airports# #Transportation# ## #All# #Operations Centre# #Transportation# ## #Project / Programme Management# #Software as a Service# #SaaS# ## #Systems# #Systems Integration# #Systems# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
https://www.linkedin.com/in/tom-shannon-09a88012/
Tom Shannon has 20+ years of experience in the field of systems integration and deployment for public and private sector clients. He has enhanced his technical background in electrical engineering with a Masters of Business Administration and PMP certification. For the past nine years, Tom has been working with the Ministry of Works and Transport in Trinidad as the Project Manager for the successful deployments of the National Traffic Management System, Red Light and Speed Enforcement systems. He recently concluded an assignment as the Project Manager for the Ground Transportation AVI System for the Hillsboro County Aviation Authority at the Tampa Airport. This system monitors and tracks commercial vehicles and assesses fees based on the vehicle and type of trip. Past assignments include work for Federal (NPS, FHWA), State (CT, NY) and local levels of government.
#North America#
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Bruce W Retzsch

Associate Director-Principal | Architecture
Boca Raton, FL

Bruce W Retzsch
#Associate Director-Principal | Architecture# #All# #Architecture# #Commercial# #Industrial# #Infill Development# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Leader# #Manufacturing# #Industrial# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Planning & Urban Design# #Placemaking# ##
Boca Raton, Florida, United States of America
https://www.linkedin.com/in/bruce-retzsch-1917166/
Bruce Retzsch established the firm of RLC Architects in Boca Raton, Florida, serving as its managing principal and principal urban designer for more than 30 years until being acquired by IBI Group in 2022. The firm is recognized for superior architectural design and planning services in the multi-family, mixed-use, retail, office and distribution/logistics markets in South Florida, and is the recipient of numerous AIA design awards. Mr. Retzsch is an active member of AIA, serving as the 2022 Palm Beach AIA president and recipient of the component’s 2018 Gold Medal. He is also involved in many industry organizations, including ULI, NAIOP and CIASF, and volunteer activities with the City of Boca Raton, Boca Raton Community Church, and the National MS Society. A graduate of the University of Illinois, Bruce holds a Bachelor of Science in Architectural Studies and a Master of Architecture in Urban Design.
#North America# #Southeast#
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Leslie Young

Director | Managing Principal
Los Angeles, CA

Leslie Young
#Director | Managing Principal # #All# #Architecture# #Civic & Government# #Institution# ## #Education# #School# ## #Higher Education# #School# #Education# ## #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Office Lead# #Strategic Planning# #Transportation#
Los Angeles, California, United States of America
https://www.linkedin.com/in/leslie-young-b6324b5/
As Director, Managing Principal, Leslie will help develop a diversified and strategically aligned portfolio of work that emphasizes partnerships and innovation in the United States. With over two decades of experience in architecture, she maintains a passion for ensuring design excellence and brand management while leveraging the firm’s global expertise. As a former President of the USC Architectural Guild, Leslie is an active leader within the Southern California design community, and currently participates as an Advisory Board Member of Urban Land Institute, Los Angeles District Council, and is Co-Chair of the ULI-LA Mobility Committee. She is a LEED-accredited professional and a Certified Development, Design & Construction Professional of the International Council of Shopping Centers.
#North America# #Pacific West#
Visit Leslie Young's ProfileVisit Stephen Hendry's Profile
Stephen Hendry

Associate | Practice Manager, Software Development
Glasgow, UK

Stephen Hendry
#Associate | Practice Manager, Software Development# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Mobile Technology# #Transportation# ## #Smart Cities# #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Transportation# #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Glasgow, United Kingdom, United Kingdom
Stephen Hendry has over 20 years’ experience in the development of software solutions across a broad spectrum of industries. He joined IBI Group in 2011 and has since furthered his experience in the design and development of Traffic, Travel and Asset Management Systems for IBI’s clients across the UK and Ireland. Stephen is currently managing the development team in Glasgow and lending his expertise in systems architecture and design to a number of projects with Highways England, Transport Scotland, Ireland’s National Transport Authority and Transport Infrastructure Ireland. Stephen holds a MSc in IT – Software Development which he undertook after completing a BEng in Aerospace Engineering.
#United Kingdom#
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Steven Thesier

Associate Director | Principal, Education
Binghamton, NY

Steven Thesier
#Associate Director | Principal, Education# #All# #Architecture# #Education# #School# ## #Higher Education# #School# #Education# ## #K-12 Education# #School# #Education# ## #Leader# #Learning+# #School# #Education# ## #Office Lead# #Subject Matter Expert#
Binghamton, New York, United States of America
Steven Thesier has more than 26 years of experience with areas of specialty that include project management and project design for new construction and renovations, educational facilities planning, referendum planning for educational facilities, NYSED coordination on school projects, and NYS OGS project development and execution.
#North America# #Northeast#
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Mark Nolan

Director | Sr. Practice Lead, Urban Design / Planning
Edmonton, AB

Mark Nolan
#Director | Sr. Practice Lead, Urban Design / Planning# #All# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Heritage / Historic Preservation# #Landscape Architecture# #Leader# #Master Planning# #Placemaking# #Planning & Urban Design# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Project / Programme Management# #Public Outreach#
Edmonton, Alberta, Canada
Mark Nolan is a Landscape Architect and Urban Designer with 30 years of professional experience in both Canada and Australia. Mark’s areas of expertise include project management, site planning, master planning of open space, planning and design of passive and active recreation facilities, landscape rehabilitation, urban design, heritage interpretation and community consultation.
#North America#
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