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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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Jorge Arevalo

Associate | Manager, Electrical Engineering
Toronto West, ON

Jorge Arevalo
#Associate | Manager, Electrical Engineering# #All# #Electrical Engineering# #Engineering# #Industrial# #Light Rail Transit# #Transportation# #LRT# ## #Retail# #Commercial# ## #Terminals# #Transportation# #Transit Facilities# ## #Transit Facilities# #Transportation# ## #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.
#North America#
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Jeremy Siviter

Director | Sr. Practice Lead, Intelligent Transportation Systems
Washington, DC

Jeremy Siviter
#Director | Sr. Practice Lead, Intelligent Transportation Systems# #All# #Leader# #Operations# #Research & Development# #Revenue / Tolling# #Transportation# ## #Systems# #Traffic Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Washington, District Of Columbia, United States of America
Jeremy Siviter has managed a wide variety of ITS research, design, implementation and operation projects and has extensive experience in electronic revenue collection, transit technology applications, traffic management systems and traveller information systems. Jeremy’s skills range from detailed technical analysis and testing through set-up and management of customer service operations.
#North America# #Southeast#
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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#
Visit Titka Seddighi's ProfileVisit Johnny Caliendo's Profile
Johnny Caliendo

Sr. Project Manager
Raleigh, NC

Johnny Caliendo
#Sr. Project Manager# #All# #Architecture# #Civic & Government# #Institution# ## #Commercial# #Design Build# #Higher Education# #School# #Education# ## #Industrial# #Living+# #Residential# ## #Maintenance Facilities# #Transportation# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Operations Centre# #Transportation# ## #Project / Programme Management# #Retail# #Commercial# ## #Sustainability & Environmental Management# #Green# ## #Transit Facilities# #Transportation# ## #Transportation#
Raleigh, North Carolina, United States of America
Mr. Caliendo has been a leader in the architecture community for over 25 years. He is currently a Senior Project Manager for IBI Group in Raleigh NC. He has worked on many different award-winning projects of various scales and types. His work has been published in foreign and domestic books and periodicals. He has served in leadership positions in government and industry organizations, including the University of Greensboro Development Board and the Board of Design Corps. He has also served as an adjunct professor at the College of Design in Raleigh, North Carolina. His service to the community also includes leadership in Jobs For Life, Raleigh Men’s Shelter, and Project Literacy. He is a LEED AP design professional and has designed both LEED Silver and Gold buildings.
#North America# #Southeast#
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Douglas Stewart

Associate | Manager, Planning
Waterloo, ON

Douglas Stewart
#Associate | Manager, Planning# #All# #Brownfield Development# #Development Engineering# ## #High Rise Residential# #Residential# ## #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Planning & Urban Design# #Placemaking# ## #Project / Programme Management#
Waterloo, Ontario, Canada
No planning challenge too great to resolve.
Douglas Stewart has over 17 years of experience and his areas of expertise include Class Environmental Assessment. Official Plans, Official Plan Amendments, Regional Official Policies Plan Amendments, Community Plans, District/Secondary Plans, Plans of Subdivision, Plans of Condominium, Zoning By-Law Amendments, Consents, Variances, Site Plans, Feasibility Studies, Planning Summary Reports, Brownfield Redevelopments, Extensive Ontario Municipal Board Experience.
#North America#
Visit Joe Pettipas's Profile
Joe Pettipas

Director | Interior Design Lead, Buildings
Toronto, ON

Joe Pettipas
#Director | Interior Design Lead, Buildings# #Airports# #Transportation# ## #All# #Civic & Government# #Institution# ## #Education# #School# ## #Entertainment Centre# #Commercial# ## #Healthcare# #Healthcare+# #Healthcare# ## #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Interiors# #Interior Design# ## #Leader# #Library# #Institution# #Civic & Government# ## #Living+# #Residential# ## #Mental Health Care# #Healthcare# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Public Outreach# #Residential# #Retail# #Commercial# ## #Strategic Planning# #Subject Matter Expert#
Toronto, Ontario, Canada
https://www.linkedin.com/in/joe-pettipas-47871ba/
As the Interior Design Lead for IBI’s Buildings sector, Joe has an innate understanding of the challenges facing our clients, across all verticals, today. With extensive experience gained from projects in the Middle East, Asia, Europe and the Americas, he has an appreciation for the importance of brand and how it needs to be synthesized into the built environment for project and organizational success. Joe leads a highly creative and talented group of professionals around the globe focusing on the spaces people occupy, that spans corporate workplace, transportation, hospitality, residential, retail, healthcare, education and institutional arenas.
#North America#
Kate Lambert

Associate | Manager, Planning
Vancouver, BC

Kate Lambert
#Associate | Manager, Planning# #All# #Healthcare# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Living+# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mixed Use# #Commercial# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Policy & Design Guidelines# #Project / Programme Management# #Public Outreach#
Vancouver, British Columbia, Canada
Kate Lambert is an urban planner with IBI Group’s Vancouver practice. With more than ten years of experience as a planning consultant, Kate has contributed to major community planning and social policy initiatives, managed complex development approvals, and facilitated dynamic public engagement processes for a variety of private and public sector clients in urban and rural communities across BC. As a planner and project manager, Kate has developed exceptional skills in people and resource coordination, communication, and strategic analysis. She values collaboration and believes a strong vision, effective policy and meaningful community engagement are key elements to successful city building. Kate is a Registered Professional Planner and Member of the Canadian Institute of Planners. She holds a Master’s of Environmental Design (Planning) from the University of Calgary, and a Bachelor of Arts from the University of Victoria. Kate is also an active member of the Urban Land Institute as Chair of the Women’s Leadership Initiative in BC
#North America#
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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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David Duong

Associate - Manager, Transit Technology
Toronto, ON

David Duong
#Associate - Manager, Transit Technology# #All# #Mobility Hub# #Transportation# ## #Revenue / Tolling# #Transportation# ## #Strategic Planning# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ##
Toronto, Ontario, Canada
https://www.linkedin.com/in/david-duong-78670440
Great transit is about providing a seamless & smooth customer experience for riders. Transit technology can help realize those positive experiences.
David joined IBI Group in 2012 as a Transit Technology Analyst in the Transit Technology Practice, and is a graduate of the University of Waterloo Civil Engineering program. David has been an Associate – Manager, Transit Data and Technology since May 2019. David’s current/past roles/projects include: Project Manager for TTC Wheel-Trans to upgrade their scheduling, dispatching, and customer-facing (e.g. Website, Mobile App) systems to improve mobility for those with disabilities travelling on public transit; Project Manager for the PRESTO project, helping deploy Ticket Vending Machines (TVMs) and Add-Value Machines (AVMs) on the TTC network. He has experience in managing cross-office multi-disciplinary teams for all phases of a project, including: needs assessment, concept of operations, system specification development, procurement, and deployment. David has experience in a wide-range of Transportation Systems (ITS) solutions, such as Computer Aided Dispatch/Automatic Vehicle Location (CAD/AVL), Rail and Bus Scheduling Systems, Real-time Information Systems (RTIS), and Fare Management Systems.
#North America#
Visit David Duong's ProfileVisit Kaiping Zhang's Profile
Kaiping Zhang

Associate | Manager, Process Engineering
Markham, ON

Kaiping Zhang
#Associate | Manager, Process Engineering# #All# #Civil Infrastructure# #Water / Wastewater# #Industrial# ##
Markham, Ontario, Canada
Kaiping has over 20 years of experience in engineering design of municipal water and wastewater infrastructure projects including proposal development, conceptual design, feasibility studies, preliminary and detailed design, and contract documents preparation; Extensive knowledge and experience in water / wastewater treatment systems, including preliminary, biological, tertiary, biosolids treatment, demineralization and zero liquid discharge (ZLD) treatment processes. Experience in asset management and condition assessment of process mechanical equipment.
#North America#
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Elizabeth Vieweg

Associate Director | Practice Lead, Intelligent Systems
Toronto, ON

Elizabeth Vieweg
#Associate Director | Practice Lead, Intelligent Systems# #All# #Civic & Government# #Institution# ## #Landmark Events# #Special Events# ## #Operations# #Planning & Urban Design# #Placemaking# ## #Project / Programme Management# #Public Outreach# #Strategic Planning# #Subject Matter Expert# #Transportation#
Toronto, Ontario, Canada
Elizabeth Vieweg is a passionate, goal-oriented leader with 20 years of experience managing multiple portfolio events in fast-paced national and international Games environments. This is bolstered by additional experience as a senior manager in the sport, arts and health sectors. Elizabeth is also a skilled negotiator, collaborator and integrator with diverse groups of stakeholders, including municipal and provincial levels of government, community leaders, First Nations, facility/venue owners, games host societies, senior management, and volunteers.
#North America#
Visit Darlene Broderick's Profile
Darlene Broderick

Director | Sr. Practice Lead, Urban Design/Landscape Architecture
Toronto, ON

Darlene Broderick
#Director | Sr. Practice Lead, Urban Design/Landscape Architecture# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #Landscape Architecture# #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Subject Matter Expert# #Transportation#
Toronto, Ontario, Canada
Darlene Broderick is a licensed Landscape Architect and Urban Planner. Spanning 25 years, her professional career covers a broad range of international and local work in both the public and private sectors. She has been involved in urban intensification projects, mobility hub projects, municipal corridor studies, adaptive reuse, streetscape master plans, secondary planning, policy and new town planning. Darlene’s comprehensive experience working at scales from detailed construction of streetscape designs to secondary planning, with a focus on issues related to urban design and complete streets, has led to a greater understanding of the impact and importance of creating connected, vibrant and walkable communities. Current notable projects include the Eglinton Crosstown LRT and multiple phases of the vivaNext BRT.
#North America#
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