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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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Susan Christensen

Director | Operations USA
Binghamton, NY

Susan Christensen
#Director | Operations USA# #All# #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
Susan Christensen has over 20 years of experience in marketing management and communications, operations, business development, and global brand management. As Director, Operations USA, Susan will unify and grow IBI Group’s operational services and reporting structures across the country. Prior to joining IBI, Susan spent 10 years working with one of the world’s largest freight forwarder and overnight delivery companies, where she was responsible for developing the company’s customer-facing global trade data web applications.
#North America# #Northeast#
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Elizabeth Kadela

Director | Sr. Practice Lead, Contract Administration
Toronto - West, ON

Elizabeth Kadela
#Director | Sr. Practice Lead, Contract Administration# #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #Civil Infrastructure# #Leader# #Project / Programme Management# #Subject Matter Expert# #Systems# #Traffic Management# #Transportation# ## #Transportation#
Toronto - West, Ontario, Canada
Elizabeth Kadela P.Eng has specialized expertise in the construction oversight for traffic management systems and electrical work, acting as the project manager or contract administrator for those specialties on over 40 MTO construction contracts. She is presently responsible for a broad portfolio of transportation construction administration assignments, which include the GO Transit BRT in Mississauga, Metrolinx Corridor Noisewall, and various Regional Road widening projects in Peel Region.
#North America#
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Venkata Chunduru

Director, India
New Delhi, India

Venkata Chunduru
#Director, India# #Advanced Traffic Management System# #Transportation# #ATMS# ## #Airports# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #Civil Engineering# #Civil Infrastructure# ## #Data Analytics# #Design Build# #Economic / Financial Analysis# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Leader# #Mobility+# #Transportation# ## #Office Lead# #Operations# #Operations Centre# #Transportation# ## #P3# #Policy & Design Guidelines# #Ports# #Transportation# #Transit Facilities# #Terminals# ## #Project / Programme Management# #Rail# #Transportation# ## #Revenue / Tolling# #Transportation# ## #Smart Cities# #Strategic Planning# #Subject Matter Expert# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Terminals# #Transportation# #Transit Facilities# ## #Transit Facilities# #Transportation# ## #Transit Planning# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
New Delhi, India, Asia
https://www.linkedin.com/in/venkata-subba-rao-62138318/
Venkata Chunduru is a transportation systems professional currently working as a Director | Intelligence in India. With about 21 years of experience, Venkata primarily works on systems, technology, intelligent transportation systems (ITS), operations and investment appraisal for major transportation infrastructure projects, including highways, airports, ports and metro rail projects. Some of the notable projects he is involved are implementation of highway toll traffic management systems in India, radio-frequency identification (RFID)- based container tracking systems for a major Indian port, and development of Mumbai Metro master plan. At IBI Group, he is involved in Hyderabad Intelligent Traffic Management Systems, Hubli-Dharwad ITS, Intelligent City Operations and Management Centre (ICOMC), Bhubaneswar Smart City and actively involved in their business development efforts. He is a Fellow at Institute of Engineers in India, member of Institute of Transportation Engineers (U.S.) and is also a member of technical committee on transport planning and traffic engineering for the Indian Road Congress.
#Asia#
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Anna Dybka

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

Anna Dybka
#Director | Sr. Practice Lead, Intelligent Systems# #All# #Bridges, Roads & Highways# #Transportation# ## #Project / Programme Management# #Revenue / Tolling# #Transportation# ## #Subject Matter Expert# #Systems# #Systems Integration# #Systems# ## #Traffic Engineering# #Transportation# #Traffic Management# ## #Traffic Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ##
Toronto, Ontario, Canada
Anna Dybka P.Eng specializes in functional and detail design, implementation and operation of ITS, including Traffic Management Systems, Toll Collection Systems, Traffic Signals, Weather Monitoring Stations and project administration and management. Anna has led an extensive portfolio of system design projects province-wide for MTO, and for clients including 407 ETR, City of Toronto, and Windsor-Detroit Tunnel. She recently led the design of the systems fit-in at the new MTO Central Region COMPASS Traffic Management Centre as implemented in advance of the Pan Am Games.
#North America#
Visit Justin Harris's Profile
Justin Harris

Director | Healthcare+ Lead, Buildings
Manchester, UK

Justin Harris
#Director | Healthcare+ Lead, Buildings# #Acute Care# #Healthcare# ## #All# #Ambulatory Care# #Healthcare# ## #Architecture# #Civic & Government# #Institution# ## #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Design Build# #Education# #School# ## #Healthcare+# #Healthcare# ## #Higher Education# #School# #Education# ## #K-12 Education# #School# #Education# ## #Labs / Life Sciences# #Healthcare# ## #Leader# #Learning+# #School# #Education# ## #Library# #Institution# #Civic & Government# ## #Mental Health Care# #Healthcare# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Oncology# #Healthcare# ## #P3# #Pediatrics# #Healthcare# ## #Policy & Design Guidelines# #Project / Programme Management# #Public Outreach# #Residential# #Retail# #Commercial# ## #Seniors Communities# #Residential# ## #Stadium / Athletic Facilities# #Institution# #Civic & Government# ## #Transit Oriented Development# #TOD# ## #UK Regional# #Wayfinding & Signage#
Manchester, United Kingdom,
https://www.linkedin.com/in/justin-harris-45553114/
Justin is an architect with over 25 years of experience in the healthcare sector. Working across the acute, primary and out-of-hospital care sector, his strength lies in the design and development of complex, multi-stakeholder projects such as: Bolton One, Gorton Community Hub, and Corby Health and Wellbeing Centre. With an interest in progressive healthcare systems, Justin has supported innovation programs such as the NHS Healthy New Towns initiative.
#United Kingdom#
Visit Titka Seddighi's Profile
Titka Seddighi

Associate Director | Practice Lead, Architecture
Toronto, ON

Titka Seddighi
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Residential# #Subject Matter Expert#
Toronto, Ontario, Canada
Titka Seddighi is a passionate, goal-oriented leader with 20+ years of experience managing large scale mixed-use projects. She has combined technical insight and communication and team management skills to deliver her rich portfolio of award-winning national and international projects. Her strengths lie in design development through construction focusing on building client relationships, while maintaining the design excellence. Titka holds a master degree in architecture and is a registered member of Ontario Association of Architect, a member of Toronto Society of Architects, Urban Land Institute and Royal Architectural Institute of Canada.
#North America#
Mark Wyllie

Associate | Manager, Engineering Field Services
Calgary, AB

Mark Wyllie
#Associate | Manager, Engineering Field Services# #All# #Development Engineering# #Engineering#
Calgary, Alberta, Canada
Mark Wyllie has ten years of experience as an engineering technologist with IBI Group and has managed multiple field crews over that timeframe.
#North America#
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Ryan Tomas

Director | Sr. Practice Lead, Engineering
Edmonton, AB

Ryan Tomas
#Director | Sr. Practice Lead, Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Leader# #Project / Programme Management# #Public Outreach#
Edmonton, Alberta, Canada
https://www.linkedin.com/in/ryan-tomas-ab2866a7/
Ryan Tomas is a Professional Engineer with over 20 years of experience in municipal engineering and land development. Ryan has provided preliminary and detailed engineering design, project management, contract administration, construction supervision, and surveying for various projects throughout the City of Edmonton and surrounding area.
#North America#
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Bryan McKeown

Associate, Architect
New York, NY

Bryan McKeown
#Associate, Architect# #All# #Architecture# #Education# #School# ## #K-12 Education# #School# #Education# ## #Learning+# #School# #Education# ##
New York, New York, United States of America
https://www.linkedin.com/in/bryan-mckeown-aia-leed-ap-67a3ba76/
With over 25 years of experience, Bryan McKeown’s background is with education facilities and high-rise residential buildings. He served as project architect on five major school projects with the NYC School Construction Authority: two new early childhood centers, an addition to an inter­mediate school, and a new design-build primary school. Notably, Bryan recently oversaw the renovation and expansion of Columbia Grammar and Prep School. As project manager, Bryan leads a team to ensure prompt and successful completion of a building project. He is knowledgeable, conscientious, and capable of working with a diverse range of trades and specifications to complete a project successfully.
#North America# #Northeast#
Visit Bryan McKeown's ProfileVisit Christopher Campbell's Profile
Christopher Campbell

Associate | Manager, Contract Administration
Toronto, ON

Christopher Campbell
#Associate | Manager, Contract Administration# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Subject Matter Expert# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
Christopher is a Senior Consultant with the intelligent systems group in the Toronto office. His 21-year career in intelligent transportation systems with IBI Group spans a variety of roles and clients, including the design and construction management of infrastructure for traffic management systems, travel time information systems, traffic signals and highway signage. His strengths include effective, non-confrontational negotiation, which makes him very effective in administration of construction contracts. Christopher is currently managing construction administration of an 8-km expansion of the MTO’s COMPASS system and he is the lead ITS designer on Phase II of the Hwy 407 East extension.
#North America#
Visit Bruce W Retzsch's Profile
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#
Visit James Sorensen's Profile
James Sorensen

Director | Sr. Practice Lead, Transportation Engineering
Boston, MA

James Sorensen
#Director | Sr. Practice Lead, Transportation Engineering# #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Engineering# #Leader# #Mobility+# #Transportation# ## #Strategic Planning# #Subject Matter Expert# #Systems# #Traffic Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Boston, Massachusetts, United States of America
James Sorensen specializes in ITS projects and has led a wide variety of advanced public transportation systems, traveller information systems, traffic management applications, and public safety and emergency response technologies. He also has provided ITS strategic planning and technology assessments for a wide variety of public agency and private sector clients. James was the Project Manager for the ITS and Communications Design of the CTfastrak Bus Rapid Transit project, the Bridgeport Connecticut ATMS and Operations project, and the development of regional ITS architecture for Massachusetts, Connecticut, and Puerto Rico. James is a past president of the Intelligent Transportation Society of Massachusetts and a recipient of their Award of Excellence. He has worked on two projects that have received the Intelligent Transportation Society of Connecticut’s Project of the Year Award. He is also a member of IBI Group’s Connected and Autonomous Vehicle Working Group.
#North America# #Northeast#
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