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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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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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Rares Caraba

Associate Director | Practice Lead, Geomatics
Calgary, AB

Rares Caraba
#Associate Director | Practice Lead, Geomatics# #All# #Geomatics / Land Surveying# #Leader# #Subject Matter Expert#
Calgary, Alberta, Canada
Rares Caraba, Alberta Land Surveyor, Canada Land Surveyor, and Engineer, is responsible for acquiring accurate field data, quality control, and applications for land development to the City of Calgary and surrounding Counties and Municipal Districts.
#North America#
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Lance Hunt

Sr. Project Manager
Vancouver, BC

Lance Hunt
#Sr. Project Manager# #All# #Environmental Assessment# #Development Engineering# ##
Vancouver, British Columbia,
Lance Hunt is a professional chemist with experience in many facets of environmental site investigations, including historical site assessments, field studies, sample collection techniques, contaminated site remediation, water treatment process, air emission studies, analytical data interpretation and technical report writing. Lance has worked on numerous municipal, provincial and federal projects and has been involved in hundreds of Phase 1 ESA, Phase 2 ESA, DSI and Remediation projects. Lance is involved in conducting environmental site assessments for a number of First Nations. His responsibilities include project management, field investigations, data analysis, project research and developing site remediation strategies.
#North America#
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Ian Collings

Associate | Manager, Environmental Solutions
Vancouver, BC

Ian Collings
#Associate | Manager, Environmental Solutions# #Airports# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civic & Government# #Institution# ## #Commercial# #Design Build# #Environmental Assessment# #Development Engineering# ## #Heritage / Historic Preservation# #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Indigenous Engagement and Relations# #Industrial# #Infill Development# #Low Rise Residential# #Residential# ## #Sustainability & Environmental Management# #Green# ##
Vancouver, British Columbia,
https://www.linkedin.com/in/ian-collings-4959228/
Ian Collings is a Registered Professional Chemist with the Association of the Chemical Profession of British Columbia (ACPBC) and is also a charted Chemist with the Royal Society of Chemistry.  Ian has more than 30 years of experience working as a laboratory chemist, laboratory manager and private and public sector consultant involved in the assessment and remediation of contaminated sites. Ian focuses on providing consulting services to First Nation communities, assisting Nations throughout British Columbia to assess the environmental condition of their lands under the Federal First Nations Land Management Act. 
#North America#
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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#
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Rachel Nason

Senior Sales Manager
Halifax, NS

Rachel Nason
#Senior Sales Manager# #All#
Halifax, Nova Scotia,
Rachel Nason is a Senior Sales Manager with HotSpot Parking, specializing in digital transportation solutions for Municipalities, Educational Institutions, Healthcare and Private Operators across North America. Rachel brings over 15+ years in B2C and B2G sales, with a strong passion for customer service, delivering clear communication and creative solutions. HotSpot Parking helps agencies adapt to the digital commuter of today with a wide range of products including: Mobile Pay, QR Code Technology, Digital Parking Permits, License Plate Recognition, Citation Management, Transit and more. HotSpot Parking provides value in continuous improvement of automating manual processes, minimizing hardware requirements, and promoting an economical and sustainable digital first approach to paid parking.
#North America#
Margaret Parkhill

Director | Sr. Practice Lead, Transportation Engineering
Toronto, ON

Margaret Parkhill
#Director | Sr. Practice Lead, Transportation Engineering# #Active Transportation# #Transportation# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Policy & Design Guidelines# #Subject Matter Expert# #Transit Facilities# #Transportation# ## #Transit Planning# #Transportation# ## #Transportation Engineering# #Transportation# ##
Toronto, Ontario, Canada
https://www.linkedin.com/in/margaret-parkhill-63934925/
Margaret has over 16 years of transportation planning experience, and brings top technical skills in planning and design, plus strong communications to effectively engage with stakeholders and technical agencies on complex and controversial projects. Margaret currently leads a transportation environmental assessment and design group based in Toronto. She is a highly-effective project manager that brings out the best in her team. Margaret’s focus is developing  integrated solutions to complex urban transportation problems through corridor planning and preliminary design. Margaret’s experience includes transit, active transportation, environmental assessments, and preliminary engineering design. Projects include London Bus Rapid Transit, Eglinton Streetscape and Cycle Track Design, MiWay Infrastructure Growth Plan, and the Toronto Relief Line subway business case and planning study. She also has experience in transportation safety and land use/ transportation integration. She is a member of Professional Engineers Ontario, and the Institute of Transportation Engineers, and has published numerous papers and articles.
#North America#
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Usha Elyatamby P.Eng

Director | Intelligence Sector Lead, International
Toronto, ON

Usha Elyatamby P.Eng
#Director | Intelligence Sector Lead, International # #All# #Data Analytics# #Design Build# #Engineering# #Leader# #Mobility+# #Transportation# ## #Operations# #Operations Centre# #Transportation# ## #P3# #Project / Programme Management# #Public Outreach# #Research & Development# #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Strategic Planning# #Subject Matter Expert# #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation#
Toronto, Ontario, Canada
https://www.linkedin.com/in/usha-e-7275908/
Usha Elyatamby is a Director with the Intelligence Sector, and National Toll Market Leader for tolling and road pricing initiatives, both in North America and internationally. Usha has over 20 years of experience with technology-led initiatives within the transportation mobility arena. She has been a trusted advisor and has been instrumental in establishing new revenue payment systems, advanced traffic management systems, and control centre operations across the globe. She leads clients with strategic planning, financial analysis, and critical thinking around design and development for construction and operations. Throughout the project lifecycle, emphasis is given to innovation, value, constructability, and maintainability. As a leading professional in the infrastructure solutions practice, Usha advises public agencies and private infrastructure concessions and operators on the technology roadmap for their capital and operational expenditures for successful operations. With the ever-changing arena of intelligent transportation systems and the digital economy, it has been important to offer sustainable design solutions to our clients. As a leader in IBI’s Intelligence sector, Usha has led strategies for continued growth in areas where operational efficiencies can be achieved through both automation and digital solutions. Her experience, coupled with her passion for technology, data analytics and automation support the strong collaboration across all three sectors at IBI Group.
#North America#
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John Ariens

Associate Director | Practice Lead, Planning
Hamilton, ON

John Ariens
#Associate Director | Practice Lead, Planning# #All# #Brownfield Development# #Development Engineering# ## #Development Engineering# #Leader# #Municipal Infrastructure# #Civil Infrastructure# ## #Planning & Urban Design# #Placemaking# ## #Subject Matter Expert# #Water Resources Management# #Industrial# ##
Hamilton, Ontario, Canada
John Ariens is independently responsible for representing the interests of development clients, both public and private, through the planning and development process for the Hamilton office. He coordinates all aspects of the development process starting at the initial design through municipal approval to engineering design, registration and construction. John is responsible for negotiations and liaison with the various levels of government and technical review agencies as well as coordinating the efforts of professionals, such as lawyers, engineers, and surveyors. This area of practice has brought John before many Municipal and Regional Committees and Councils, Conservation Authorities, Niagara Escarpment Commission and the Ontario Municipal Board as an expert witness.
#North America#
Visit John Ariens's ProfileVisit Paul Williams's Profile
Paul Williams

Associate Director | Practice Lead, Electrical & Mechanical Engineering
Toronto West, ON

Paul Williams
#Associate Director | Practice Lead, Electrical & Mechanical Engineering# #All# #Electrical Engineering# #Engineering# #Industrial# #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Mechanical Engineering# #Project / Programme Management# #Subject Matter Expert# #Transit Facilities# #Transportation# ##
Toronto West, Ontario, Canada
Paul Williams has over 30 years of project and design experience in the electrical engineering field. He has been responsible for conceptual design, specifications, feasibility studies, detail engineering, inspections, commissioning, and project management on numerous utility, industrial and commercial projects.Currently, Paul is the Mechanical and Engineering Peer Reviewer for the Eglinton Crosstown LRT, the Project Manager for the Metrolinx Lewis Road Layover Facility and Metrolinx Mimico Layover Facility, and provides Senior Electrical oversight for various projects.
#North America#
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Paul Lavallee

Director | US Sector Lead, Intelligence
Seattle, WA

Paul Lavallee
#Director | US Sector Lead, Intelligence# #All# #Information & Communications Technology# #ICT# ## #Leader# #Mobility+# #Transportation# ## #Office Lead# #Operations# #Project / Programme Management# #Regional / Sectoral# #Senior Management# ## #Senior Management# #Subject Matter Expert# #Systems# #Systems Integration# #Systems# ## #Traffic Engineering# #Transportation# #Traffic Management# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ##
Seattle, Washington, United States of America
As the US Sector Lead, Intelligence, Paul Lavallee is responsible for overseeing the strategy, growth and development of the company’s new and existing business for IBI Group’s intelligence practice across the US, working closely with Carl-Henry Piel, James Barbosa, and Ritesh Warade who lead the services, solutions and operations subsectors respectively. Bringing over 30 years of experience as part of IBI Group’s intelligence practice, he has helped organizations at all levels effectively integrate technology into city planning, design and operation, and transform how business is conducted today. He is internationally recognized as a transit technology and revenue collection system specialist with specific expertise in bringing together multi-stakeholder teams and delivering high-profile projects. Paul is a licensed Professional Engineer currently working with thought leaders to help integrate technology into the daily fabric of people’s lives. He holds a Bachelor of Applied Science from the University of Toronto, and a Masters of Engineering from the University of California, Berkeley.
#North America# #Pacific West#
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James Gibson

Technical Lead
Toronto, ON

James Gibson
#Technical Lead# #Active Transportation# #Transportation# ## #All# #Civic & Government# #Institution# ## #Design Technology# #Energy Solutions# #Industrial# #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Parks# #Institution# #Civic & Government# ## #Residential# #Retail# #Commercial# ## #Smart Cities# #Solar# #Energy Solutions# ## #Spatial Intelligence# #GIS# #Geographic Information System# ## #Subject Matter Expert# #Transit Oriented Development# #TOD# ## #Transportation# #Water / Wastewater# #Industrial# ## #Wind# #Energy Solutions# ##
Toronto, Ontario, Canada
James has over 10 years of experience applying GIS technology to solve problems in a wide variety of business sectors including land use planning, real estate & economic planning, municipal infrastructure, transportation, and renewable energy. As a Certified GIS Professional and Certified Planning Technician, James is able to combine his understanding of land use planning and land development with his knowledge of Geographic Information Systems to perform meaningful analysis and identify spatial patterns and trends. James has played a key role in numerous projects requiring land use analysis, development constraint analysis, master servicing plans, conceptual designs, transportation planning, asset management and inventories, site selection analysis, data management, data collection and manipulation, data visualization, and database design. Serving as a Regional GIS Lead, James is also involved in a variety of global initiatives that aim to promote and increase IBI’s use of geospatial technology across the firm. These initiatives have helped to highlight the power of spatial analysis and demonstrate why GIS technology can and should be leveraged across all of IBI’s business sectors.
#North America#
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