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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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Jeffrey B. Koehn

Director | Transportation, United States
Cincinnati, OH

Jeffrey B. Koehn
#Director | Transportation, United States# #All# #Architectural Controls# #Architecture# ## #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Engineering# #Green# #Industrial# #Leader# #Maintenance Facilities# #Transportation# ## #Mobility+# #Transportation# ## #Office Lead# #Parking# #Project / Programme Management# #Public Outreach# #Subject Matter Expert# #Transportation# #Transportation Engineering# #Transportation# ## #Warehouse & Distribution Centre# #Industrial# ## #Water / Wastewater# #Industrial# ##
Cincinnati, Ohio, United States of America
https://www.linkedin.com/in/jeff-koehn-1586bb5/
Jeffrey B. Koehn is the U.S. Transportation Director, specializing in the design of infrastructure for complex and innovative projects in both the private and public sectors. He is known in the industry for his ability to focus on the critical details required to deliver exceptional results on fast-paced infrastructure projects. Jeffrey’s responsibilities include management, design, construction management/administration of transportation improvement projects. He is also a recognized expert in the design of sustainable stormwater systems, including stormwater capture and re-use, large-scale dry wells, pervious pavement systems, and bio-retention facilities. Recent notable projects include: Washington Park, the Cincinnati Zoo, Armleder Park, Oakley Station CSO Separation Design Build, HAM-75, Wasson Way Phase 4 and 5, and several sections of the Ohio River trail.
#Midwest# #North America#
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William (Will) Heywood

Associate | Manager, Stormwater Management
Markham, ON

William (Will) Heywood
#Associate | Manager, Stormwater Management# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Detention Facilities# #Institution# #Civic & Government# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Residential# #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Markham, Ontario, Canada
www.linkedin.com/in/william-heywood-495b4957
Will has extensive progressive engineering experience both in Canada and abroad in the field of Water Resources. He is currently an Associate Manager for the Stormwater Management Solutions and Water Resources teams in Markham. His areas of expertise include hydrologic/hydraulic analysis, watershed studies, stormwater management design (including Low Impact Development (LID)), flood plain analysis, erosion and sediment control, municipal engineering including design of major and minor conveyance systems, highway drainage including culvert and bridge hydraulics, Computer Modelling associated with the above analyses, preparation of tender documents, cost estimates, and specifications for Water Resources projects. As Team Lead, Will is also responsible for engineering project management, technical support, staff coordination, peer review, client relations, and business development. He is a member of the Ontario Good Roads Association Sewer Design Curriculum Development Committee and coordinator and annual lecturer for their Sewer Design course
#North America#
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Cathy Offenberg

Associate Director | Practice Lead, Landscape Architecture
Boston, MA

Cathy Offenberg
#Associate Director | Practice Lead, Landscape Architecture# #All# #Civic & Government# #Institution# ## #Civil Infrastructure# #Landscape Architecture# #Leader# #Master Planning# #Placemaking# #Planning & Urban Design# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Subject Matter Expert#
Boston, Massachusetts, United States of America
Since joining our team in 1999, Cathy Offenberg has developed a specialty in campus site planning and design for public and private school facilities. She also oversees a diverse array of practice areas including urban parks, streetscapes, and embassy work for the U.S Department of State’s Overseas Building Operations (OBO). As a Principal with the firm, Cathy is responsible for managing project scope, budget and schedule; client and sub-consultant coordination; supervising in-house project staff; development of design, technical and presentation packages, as well as cost estimates, technical specifications and permitting documents; construction administration and project representation at meetings and presentations. Cathy has a thorough understanding of the public process and has assisted in managing complex projects from inception through construction.
#North America# #Northeast#
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Jackie Walton

Associate | Manager, Software Development
Winnipeg, MB

Jackie Walton
#Associate | Manager, Software Development# #All# #Research & Development# #Software as a Service# #SaaS# ## #Systems# #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Winnipeg, Manitoba, Canada
https://www.linkedin.com/in/jacqueline-walton-1b1371171/
I enjoy plants and gardening, playing video games, and kayaking at the family cottage.
Jackie Walton is a software developer with 30 years of experience and joined IBI Group recently to help with the management, support, and maintenance of acquired 511 customers and services. Jackie is excited to learn new technologies in software and systems development and also uses existing skills and knowledge to find solutions to complex requirements and problems. Jackie received a Bachelor of Science in Computer Science (Honours) at the University of Manitoba.
#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#
Visit Xu Liu's Profile
Xu Liu

Associate | Senior Software Architect
Calgary, AB

Xu Liu
#Associate | Senior Software Architect# #Advanced Traffic Management System# #Transportation# #ATMS# ## #Advanced Traveler Information System# #Advanced Traveller Information System# #Transportation# #511# #ATIS# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #CurbIQ# #Transportation# #Curbside Management# ## #Data Centre# #Commercial# #Office# ## #Healthcare# #Mobile Technology# #Transportation# ## #Parking# #Seniors Communities# #Residential# ## #Software as a Service# #SaaS# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Calgary, Alberta, Canada
https://www.linkedin.com/in/xu-liu-789a405a
Xu Liu, MSc, BS has 15 years of experience in the areas of Software Architecture, System Design, UML Design, Native and Hybrid Mobile App development, and implementation in Public Transit and Public Health. Xu has actively worked with IBI Group Mobile Team for many years and finished several software services and software application revolutions, including designing and implementing the mobile management system to dynamically create mobile apps, integrating efficient software workflow, building end-to-end encryption/decryption between the distribution system and mobile apps, completing 3D scanning utility tool and so on.
#North America#
Lee Ann Mangin

Director | US Design & Consulting Lead, Intelligence
Seattle, WA

Lee Ann Mangin
#Director | US Design & Consulting Lead, Intelligence# #All# #Leader# #Office Lead# #Operations# #Project / Programme Management# #Smart City Platform# #Smart Cities# ## #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ##
Seattle, Washington, United States of America
Lee Ann is a lead for IBI Group’s smart city practice across the US. She brings 20 years of design and engineering experience in the Intelligence practice, leading Intelligent Transportation Systems, operations center projects and multi-disciplinary teams in the design and implementation of mobility solutions. Lee Ann has a long history helping cities, transit agencies, and traffic agencies with implementing and integrating technologies into their day-to-day operations.
#North America# #Pacific West#
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Matthew Belaen

Associate Director | Practice Lead, Architecture
Toronto, ON

Matthew Belaen
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Bus Rapid Transit# #Transportation# #BRT# ## #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Design Build# #Entertainment Centre# #Commercial# ## #High Rise Residential# #Residential# ## #Library# #Institution# #Civic & Government# ## #Living+# #Residential# ## #Low Rise Residential# #Residential# ## #Manufacturing# #Industrial# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Mobility Hub# #Transportation# ## #Office# #Commercial# ## #P3# #Placemaking# #Project / Programme Management# #Residential# #Retail# #Commercial# ## #Subject Matter Expert# #Terminals# #Transportation# #Transit Facilities# ## #Transit Facilities# #Transportation# ##
Toronto, Ontario, Canada
Matt is an Architect Project Manager at the 55 St. Clair W office and has been with IBI for four years. He has experience leading large complex projects with fully integrated multi-discipline project teams, working closely with the Toronto West and Richmond Hill offices. Matt works directly with clients from the initial project vision and programming stage through to construction. Recent projects that he has been a team leader on include the Magna International Head Office and multiple Metrolinx Transportation Pursuits. Prior to joining IBI, Matt was a manager and a design team member for the concept and approvals phase of the Parq Vancouver project, an 800,000 sq. ft. multi-hotel, conference centre, and casino complex. He has been a design team member for various architecture design competitions for cultural buildings and libraries in Quebec, several of which have been recognized internationally for design merit. Matt has also worked on, and lead, various cultural and community architecture projects in Asia, with a focus on Indonesia and Taiwan. Matt is a member of the OAA and RAIC.
#North America#
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Brad Kimball

Director | Sr. Practice Lead, Architecture
Edmonton, AB

Brad Kimball
#Director | Sr. Practice Lead, Architecture# #All# #Architecture# #Civic & Government# #Institution# ## #Healthcare+# #Healthcare# ## #Labs / Life Sciences# #Healthcare# ## #Leader# #Office# #Commercial# ## #Police Stations# #Institution# #Civic & Government# #Police & Fire Stations# ## #Public Outreach# #Subject Matter Expert#
Edmonton, Alberta, Canada
Brad Kimball has 25 years of experience in various aspects of facilities, facility design, interior design, and building infrastructure evaluations for both public and private sector clients. Brad specializes in user group facilitation and concept planning. Some of Brad’s recent projects of note include the Edmonton Police Service NW Campus, Habitat for Humanity Neufeld Landing, and the Fort Saskatchewan Community Hospital. Brad is a Registered Architect in the provinces of Alberta, Saskatchewan and the Northwest Territories. He is also a member of the Royal Architectural Institute of Canada. Brad is a volunteer member of the Northern Alberta Institute of Technology Architectural Academic Advisory Committee. He is currently working with the Grande Prairie Regional College on a new purpose built laboratory and office facility for the National Bee Diagnostic Centre, a shared research Centre of Excellence between the College, Alberta Government, and Agriculture Canada.
#North America#
Visit Brad Kimball's ProfileVisit Phillip Curley's Profile
Phillip Curley

Head of HotSpot
Fredericton, NB

Phillip Curley
#Head of HotSpot# #All# #Leader# #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Parking# #Smart Cities# #Software as a Service# #SaaS# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation#
Fredericton, New Brunswick,
https://www.linkedin.com/in/phillip-curley-58363329/
I’m a big believer in continuous growth that the person I am today is not the person I will be 1,2, 5 or 10 years from now. At any point in time, I’m evolving just like you and learning to be a better person.
Phillip Curley started HotSpot when he was 21. Before being acquired by IBI Group. Phillip’s been recognized as one of Atlantic Canada’s top 50 CEO’s (2021), Top 30 under 30 Atlantic Canada Business Magazine (2019), and Entrepreneur of the Year by the Fredericton Chamber and UNB TME.(2018,2016).
#North America#
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Demetrius Yannoulopoulos

Director | Office Lead
Ottawa, ON

Demetrius Yannoulopoulos
#Director | Office Lead# #All# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Leader# #Municipal Infrastructure# #Civil Infrastructure# ## #Office Lead# #Water / Wastewater# #Industrial# ##
Ottawa, Ontario, Canada
https://www.linkedin.com/in/demetrius-yannoulopoulos-83277286
Demetrius Yannoulopoulos is a Professional Engineer in Ontario with over 30 years of experience in civil engineering in both Land Development and Municipal Engineering. He is currently Project Director for a number of land development engineering studies and detail design projects, all based out of the Ottawa office. His Municipal Engineering experience includes design of road and infrastructure renewal projects in both Ottawa and Kingston. He has served as Municipal Engineer for various smaller municipalities reviewing development plans and providing general engineering advice to councils. public sector projects include infrastructure renewal for DND, and Correctional Services Canada. In addition to the various projects Demetrius has completed over the years, he has also assisted the civil engineering field in both the public and private realms by sitting on various engineering committees and serving on the executive of the Kingston Home Builders Association.
#North America#
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Doug Parker

Director | Sr. Practice Lead, Transit Technology
Toronto, ON

Doug Parker
#Director | Sr. Practice Lead, Transit Technology# #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Data Analytics# #Engineering# #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Multi-Modal Transportation# #Transportation# ## #Project / Programme Management# #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Subject Matter Expert# #Systems# #Systems Integration# #Systems# ## #Terminals# #Transportation# #Transit Facilities# ## #Traffic Engineering# #Transportation# #Traffic Management# ## #Traffic Management# #Transportation# ## #Transit Facilities# #Transportation# ## #Transit Management# #Transportation# ## #Transit Planning# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ## #Wayfinding & Signage#
Toronto, Ontario, Canada
https://www.linkedin.com/in/doug-parker-97bb2a15/
Doug Parker is a transportation systems engineer and planner, specializing in assisting public agencies with applying advanced technology. He is a recognized leader in transit technology consulting, working closely with the transit technology consulting practice across IBI Group. His 33 years of experience spans all public transit modes, including rail, fixed route bus, bus rapid transit, ferries, demand responsive transit, and rural transit. It also includes the full range of transit technologies, including those in support of planning, operations management, public information, revenue management, security, and business intelligence. Doug has been involved with numerous planning, research and evaluation efforts including regional deployment program development, architectures, evaluations, and several Transit Cooperative Research Program projects.
#North America#
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