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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 2,500 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Celia Johnstone

Director | Sr. Practice Lead, Architecture
Toronto, ON

#english# #All# #Architecture# #Civil Infrastructure# #Leader# #Light Rail Transit# #Mobility+# #Office Lead# #Project / Programme Management# #Sustainability & Environmental Management# #Transit Facilities# #Transportation#
Toronto, Ontario, Canada
Transit architecture is no longer seen as just a utility, it plays a vital role in creating sustainable cities around the world as populations shift to urban centres. Great design can make infrastructure both efficient and beautiful, a source of delight on your daily commute as well as a lasting contribution to the community.

Celia Johnstone LEED AP is a member of the Ontario Association of Architects and the Royal Architectural Institute of Canada. She has over 20 years of experience in coordinating complex, multidisciplinary public-transit facility projects, as well as all facets of practice management. Celia has a portfolio of major transit infrastructure design projects, including underground, at-grade, and elevated transit facility design for the TTC, GTAA, and GO Transit. She is the lead architect for the new Redline LRT, the first subway system in Tel Aviv.

David Kamnitzer

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

#english# #All# #Data Analytics# #Leader# #Mobility+# #product_Advanced Traffic Management System# #product_Event Reporting System# #product_Revenue Collection# #product_Road Permitting System# #Revenue / Tolling# #Software Development# #Subject Matter Expert# #Systems# #Systems Engineering# #Systems Integration# #Traffic Management# #Transit Management# #Transit Oriented Development# #Transit Technology# #Transportation# #Transportation Engineering# #Traveller Information#
Toronto, Ontario, Canada
We need to get a lot smarter about how we move people and goods around. This requires connected thinking, the harnessing of technology, and ultimately a change in people's priorities and values.

David Kamnitzer is a holistic thinker who applies business analysis, transport operations, systems, and engineering skills to projects in traffic management, traveller information, tolling, and transit. David also leads IBI’s RouteMapper business, which provides spatial imagery/LiDAR surveying and software services for planning, design, asset management, and maintenance applications. A strong writer and presenter, David is often involved in high-profile initiatives that require interaction at the top levels of public and private sector organizations.

Elvin Karpovich

Director, Planning and Landscape Architecture
Calgary, AB

#english# #All# #Architectural Controls# #Civic & Government# #Development Engineering# #Land Use Planning# #Landscape Architecture# #Leader# #Planning & Urban Design# #Policy & Design Guidelines#
Calgary, Alberta, Canada

Elvin Karpovich leads the IBI Group landscape design practice in Calgary, and oversees the administration of architectural design guidelines for approximately 18 communities across Calgary. He has assembled a diverse list of projects over his 20 years of experience, including land use planning, land design, urban design, urban landscape architectural design, and land development policies, guidelines, and standards. His project experience includes working with the federal, provincial, and municipal governments, the land development industry, and private corporations.

Jorge Arevalo

Associate | Manager, Electrical Engineering
Toronto West, ON

#english# #All# #Electrical Engineering# #Engineering# #Industrial# #Light Rail Transit# #Retail / Commercial# #Terminals# #Transit Facilities# #Transportation#
Toronto West, Ontario, Canada

Jorge Arevalo has 25 years of experience in the aerospace and electrical consulting industries and has been involved in electrical specifications, schematic and detail design for all electrical building systems for commercial, industrial and government buildings. He develops projects with accuracy, efficiency and within time limits and ever responsive to client needs, Jorge is able to adjust design and find solutions to fit within budget constraints. For the last few years Jorge has been leading IBI Group?s electrical teams in the transit field including work at multiple TTC stations, Metrolinx layovers at Mimico and Lewis Road and the Metrolinx James Station in Hamilton. Most recently Jorge has led a ten-man electrical team for four stations on the Eglinton Crosstown LRT project.

Visweswara Rao Gantasala

Associate Director | Senior General Manager
Hyderabad, India

#english# #Advanced Traffic Management System (ATMS)# #Data Analytics# #Mobile Technology# #Mobility+# #Smart Cities# #Software Development# #Systems Engineering# #Systems Integration# #Transportation Engineering# #Traveller Information#
Hyderabad, India, Asia
https://www.linkedin.com/in/gantasala/
"The biggest strength of IBI is its philosophy of looking at the cities from the dimension of a citizen while working for the betterment of the cities.”

Visweswara joined IBI Group as a Transportation Systems Engineer in the year 2007 after graduating from Indian Institute of Technology Bombay (IITB). As one of the first few hires of IBI India, he has started his career working on toll and HTMS implementation projects for highways. He was involved from the inception of the Indore BRT ITS implementation project (the firm’s first World Bank project in India), which subsequently helped the firm in securing a stream of contracts from The World Bank. In the recent times, he is working on the Hyderabad Integrated Traffic Management System (ITMS) Project. Visweswara has been instrumental in building the software development practice in India and is currently working as the Product Manager for the IBI’s Smart City Platform and is also responsible for developing various Urban ITS Software solutions for IBI. He is also the office lead for our Hyderabad office.

Dorin Vargatu

Associate | Manager, Intelligent Systems
Toronto, ON

#english# #Airports# #All# #Ports# #Revenue / Tolling# #Software Development# #Systems# #Systems Engineering# #Systems Integration# #Traffic Management# #Transportation#
Toronto, Ontario, Canada

Dorin Vargatu has successfully utilized the knowledge gained through his extensive systems engineering experience to effectively lead various software and systems projects. Dorin specializes in systems analysis, software design and development, systems integration and deployment of real-time electronic toll collection, traffic management and commercial vehicle tracking and control systems.

Susanna Pon

Associate | Architecture
Calgary, AB

#english# #All# #Architecture# #Civic & Government# #Community / Recreational Facilities# #Hospitality# #Project / Programme Management# #Residential# #Retail / Commercial#
Calgary, Alberta, Canada

As an architect with a structural engineering background, Susanna Pon brings multidisciplinary views and solutions to any project. She has over ten years of experience in master planning, site planning, programming, design, technical production, document coordination, project management, construction administration, and project close-out of new and renovated commercial, institutional, recreational, hospitality, and residential projects. She has worked with numerous client user groups on institutional and recreational projects to consolidate their needs and provide a design that accommodates all groups in a multi-purpose setting.

Salvatore Birritteri

Associate, Architectural Technologist
Denver, CO

#english# #All# #Architecture# #Multi-Modal Transportation# #Planning & Urban Design# #Terminals# #Transit Facilities# #Transit Oriented Development# #Transportation#
Denver, Colorado, United States of America

Sal Birritteri is an Urban Designer with 13 years of experience working on a broad base of multidisciplinary projects. Most recently he has worked on projects that are transit related. These projects include the design of facilities such as passenger shelters, stations and intermodal terminals and have required involvement from conceptual design to construction supervision. His experience on past projects and his training as an Architectural Technologist have given him a strong background in architectural building science. His design and project management skills enable him to effectively see a project from visioning through to construction.

Cathy Offenberg

Principal, Landscape Architecture
Boston, MA

#english# #All# #Civic & Government# #Civil Infrastructure# #Landscape Architecture# #Master Planning# #Placemaking# #Planning & Urban Design#
Boston, Massachusetts, United States of America

Cathy Offenberg has a thorough understanding of the public process and has managed complex projects from inception through construction. She also has considerable experience administering construction phase services on a range of projects, to ensure contractor compliance with contract documents.

Chris O’Halloran

Associate | Manager, Architectural Controls
Calgary, AB

#english# #All# #Architectural Controls# #Architecture# #Planning & Urban Design# #Policy & Design Guidelines# #Water Resources Management#
Calgary, Alberta, Canada
https://www.linkedin.com/in/chris-o-halloran-59972191/

Chris O’Halloran has over 23 years of experience and leads the Architectural Control Department, which manages the creation and implementation of architectural design guidelines in numerous communities in and surrounding Calgary and Edmonton. His experience as an Architectural Technologist in both consulting and home building brings a layered understanding to maintaining these standards.

Stephen Taylor

Chief Financial Officer
Toronto, ON

#english# #All# #Senior Management#
Toronto, Ontario, Canada

Stephen Taylor is the Chief Financial Officer of IBI Group. He is a Chartered Accountant with over 25 years of international financial experience in all areas of corporate management, including acquisitions of new businesses, operational management, and investments.His functional experience includes accounting, public company financial reporting, acquisition due diligence, valuation, process management, enterprise integration, and investor relations.

Cathryn Chopko-Beck

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

#english# #All# #Community / Recreational Facilities# #Data Analytics# #Green# #Landscape Architecture# #Planning & Urban Design# #Policy & Design Guidelines# #Research & Development# #Sustainability & Environmental Management#
Edmonton, Alberta, Canada

Cathryn Chopko Beck areas of expertise include landscape and urban design, land use planning, socio-economic analysis/market research, site planning, recreation and tourism planning, policy development and environmental planning.

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