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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 2,700 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Santosh Mishra

Associate Director - Practice Lead, Transportation Engineering
San Francisco, CA

Santosh Mishra
#Associate Director - Practice Lead, Transportation Engineering# #All# #Engineering# #Leader# #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Multi-Modal Transportation# #Transportation# ## #Operations# #Project / Programme Management# #Research & Development# #Software as a Service# #SaaS# ## #Subject Matter Expert# #Systems# #Systems Integration# #Systems# ## #Traffic Engineering# #Transportation# #Traffic Management# ## #Transit Facilities# #Transportation# ## #Transit Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ## #Wayfinding & Signage#
San Francisco, California, United States of America
https://www.linkedin.com/in/smishra-transit
Santosh Mishra has over 15 years of experience with a specialization in transit technology, consulting for all transit modes. Santosh’s work encompasses planning, procurement and implementation of a full range of transit technologies that address the full spectrum needs of a transit agency and to date, he has assisted more than 50 agencies nationwide. Apart from transit technology deployments, Santosh has significant expertise in large transportation data (transit and non-transit) acquisition, management and utilization and was invited to write a guest article in the Mass Transit Magazine under Best Practices column. Santosh also has significant experience in transportation technology research and evaluation and co-authored TCRP Project A-31 Transit, Call Centers and 511: A Guide for Decision Makers, and TCRP Project J-09, Task 12: ‘New and Emerging Technologies’. Further, he has led several tasks related to recent USDOT research and demonstration projects, including United We Ride/Mobility Service for All Americans and Connected Vehicle/Dynamic Mobility programs.
#North America#
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Anita Leonoff

Director | Office Lead, Vancouver
Vancouver, BC

Anita Leonoff
#Director | Office Lead, Vancouver# #All# #Architecture# #Heritage / Historic Preservation# #Leader# #Learning+# #School# #Education# ## #Office# #Commercial# ## #Office Lead# #Project / Programme Management# #Public Outreach# #Retail# #Commercial# ## #Subject Matter Expert#
Vancouver, British Columbia, Canada
Anita Leonoff joined IBI Group shortly after graduating from UBC’s Architecture School and learned quickly. In the mid 1980s, Anita began the renovation work on the Hotel Vancouver, one of her longest running projects and one she continues to work on to this day. In the 1990s, Anita took on the local work for Holt Renfrew which at the time was renovation work. This later turned into a new store for Vancouver, followed by Calgary, and a number in Ontario and Quebec, which is a testament to her work. Anita’s areas of specialty include institutional and hospitality facilities design, retail and office tenant fit-ups, heritage renovations, and the management of the approvals and public consultation processes.
#North America#
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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#
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Arend Lootsma

Associate | Manager, Municipal Engineering
Waterloo, ON

Arend Lootsma
#Associate | Manager, Municipal Engineering# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civic & Government# #Institution# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Design Build# #Development Engineering# #Engineering# #Environmental Assessment# #Development Engineering# ## #Policy & Design Guidelines# #Project / Programme Management# #Public Outreach# #Transportation# #Water / Wastewater# #Industrial# ##
Waterloo, Ontario, Canada
Arend Lottsma is responsible for management of municipal infrastructure replacement projects. His duties include ongoing staff management and client liaison during the preparation of engineering designs and contract documents, where he flexes his technical skills in the preparation and review of engineering design and contract documents. He maintains a consistent presence on the project management front, from coordinating utilities, regulatory agencies and municipalities through to contract administration and project coordination during the construction phase ensuring smooth transitions through the project lifecycle. Since joining the firm upon graduation from the University of Waterloo, Arend has participated in a number of high-profile local projects within the urban downtown areas of Kitchener (King Street, Young Street, College Street, Otto Street and Water Street) and Hespeler Village (Cambridge).
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Justin Date

Associate | Manager, Transportation Engineering
Ottawa, ON

Justin Date
#Associate | Manager, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Engineering# #Parking# #Planning & Urban Design# #Transportation Engineering# #Transportation# ##
Ottawa, Ontario, Canada
Justin Date is a project engineer with over 14 years of experience in transportation engineering and planning. His design experience includes preliminary and detailed roadway design, project coordination and contract document preparation on new roadway construction, roadway rehabilitation, traffic calming and intersection modification projects. His transportation planning experience includes the preparation of transportation impact and traffic operations studies, traffic calming plans and parking studies.He is a member of the Professional Engineers of Ontario and the Institute of Transportation Engineers.
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Derek Sims

Global Director, Intelligence
Toronto, ON

Derek Sims
#Global Director, Intelligence# #All# #BlueiQ# #Industrial# #Water Resources Management# ## #Engineering# #Leader# #Regional / Sectoral# #Senior Management# ## #Revenue / Tolling# #Transportation# ## #Senior Management# #Systems# #Traffic Management# #Transportation# ## #Transit Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
Mr. Sims is the Global Director of IBI’s Intelligence Sector, responsible for consulting, software development and operational services in projects which conceive, design, implement and operate solutions applying new technologies. He has worked throughout his 39 year career with IBI in the areas of transportation and systems engineering, growing IBI’s worldwide practices in Traffic Management, Traveller Information, Transit, Tolling and Airport Groundside Systems. Mr Sims’ mandate to advance the Intelligence Sector skills and experience into other areas of the firm’s practice has led to initiatives in energy optimization, asset management, intelligent buildings, smart cities and data analytics. Mr Sims holds Masters degrees in Engineering and Business and is a registered Professional Engineer in four Provinces.
Todd Hoisington

Director | US Industrial Lead, Buildings
Southfield, MI

Todd Hoisington
#Director | US Industrial Lead, Buildings# #All# #Automotive# #Industrial# ## #Engineering# #Industrial# #Leader# #Office Lead# #Project / Programme Management# #Subject Matter Expert#
Southfield, Michigan, United States of America
As the US Industrial Lead, Todd Hoisington excels at providing robust Project Management leadership for building highly technical projects. He is exceptionally strong at building client focused teams to deliver projects on time and on budget. Skilled in understanding the needs of clients, he guides a team through the development of a project with challenging project environments. He has proven this approach on large-scale projects ranging in construction value from $1 million+ and has been responsible for the management of multi-company partnerships on overlapping projects. He is a licensed Professional Engineer in the State of Michigan with over 15 years of experience in the engineering and construction industry.
#North America#
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Steven Kresak

General Counsel & Corporate Secretary
Toronto, ON

Steven Kresak
#General Counsel & Corporate Secretary# #All# #Corporate# #Senior Management# ## #Senior Management#
Toronto, Ontario, Canada
https://www.linkedin.com/in/steven-kresak-5982591a/
Steven Kresak is the General Counsel and Corporate Secretary of IBI Group and is responsible for the corporation’s legal affairs worldwide. He leads the Legal, Compliance, Insurance and Corporate Governance functions. Prior to joining IBI Group in 2014, Steven was Senior Vice President, Commercial Projects at Infrastructure Ontario, where he was accountable for the leadership, management and delivery of major projects and new business initiatives, including the optimization and sale of public assets in the transportation, manufacturing, rail and telecommunications sectors. Steven practiced law at Goodmans LLP in Toronto. He holds a Bachelor of Arts degree (Magna Cum Laude) from the University of Saskatchewan and a Law degree (Distinction) from the University of Alberta. He is a former Editor of the Alberta Law Review. Steven was a finalist for 2016 Mid-Market Excellence Award of the Canadian General Counsel Association and has completed the SEALFIT XL program.
#North America#
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Steven Thesier

Associate Director | Principal, Education
Binghamton, NY

Steven Thesier
#Associate Director | Principal, Education# #All# #Architecture# #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
Steven Thesier has more than 26 years of experience with areas of specialty that include project management and project design for new construction and renovations, educational facilities planning, referendum planning for educational facilities, NYSED coordination on school projects, and NYS OGS project development and execution.
#North America#
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Elizabeth Petrovitch

Senior Interior Designer
London, UK

Elizabeth Petrovitch
#Senior Interior Designer# #Acute Care# #Healthcare# ## #All# #Ambulatory Care# #Healthcare# ## #Civic & Government# #Institution# ## #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Data Centre# #Commercial# #Office# ## #Design Build# #Education# #School# ## #Healthcare# #Healthcare+# #Healthcare# ## #Healthy New Towns# #Healthcare# ## #High Rise Residential# #Residential# ## #Interiors# #Interior Design# ## #Learning+# #School# #Education# ## #Living+# #Residential# ## #Mental Health Care# #Healthcare# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Oncology# #Healthcare# ## #Pediatrics# #Healthcare# ## #Placemaking# #Planning & Urban Design# ## #Project / Programme Management# #Retail# #Commercial# ## #Seniors Communities# #Residential# ## #Spiritual Places# #Institution# #Civic & Government# #Church# ##
London, United Kingdom, Europe
https://uk.linkedin.com/in/elizabeth-petrovitch-953626ab
Elizabeth is the joint UK and Ireland lead for Interior Design at IBI Group UK. Her background is in the Healthcare market where she specializes in evidence based healthcare design, in particular designing for children and the elderly. She has worked on various large scale health campus projects in the UK and the Middle East helping to develop unique therapeutic interiors, wayfinding and art strategies. She also has experience in the commercial sector working on office fit out and high end residential interiors for the London market. She is a qualified Fitwel ambassador and seeks to combine her extensive experience in healthcare design with Fitwel to help clients achieve their wellbeing goals.
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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.
Visit Scott Johnston's Profile
Scott Johnston

Associate | Manager, Transportation Engineering
Toronto West, ON

Scott Johnston
#Associate | Manager, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Data Analytics# #Engineering# #Environmental Assessment# #Development Engineering# ## #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ##
Toronto West, Ontario, Canada
Scott Johnston is a transportation planner with six years of experience in project management, functional planning, travel demand modeling, and traffic engineering. He has expertise in the application of travel demand modeling software to evaluate roadway and public transit operations and improvement needs, as well as recent experience with micro-simulation of transportation corridors for EA purposes. Scott has been involved with various transportation related studies, including transit and roadway planning, master plans, survey design and methodology, analysis of data, and reporting.
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