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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Sarah Christianson

Associate | Manager, Architecture
Los Angeles, USA

#english# All# #Architecture# #Living+# #Mixed Use# #Residential# #Seniors Communities# #Sustainability & Environmental Management#
Los Angeles, USA

Sarah Christianson is a registered Architect AIBC and a LEED GA. Her experience includes complex residential and mixed-use projects as well as ageless living communities, which has contributed to her growing role in the Living+.

Jennifer Lem

Associate | Manager, Interior Design
Toronto, Canada

#english# All# #Community / Recreational Facilities# #High Rise Residential# #Hotels# #Interiors# #Living+# #Low Rise Residential# #Mid Rise Residential# #Residential# #Resorts#
Toronto, Canada

Jennifer Lem has highly developed conceptual skills, planning abilities, as well as a keen eye for finishes and details as evidenced by her work on the Edition Hotels (Miami; Waikiki), New World Hotel (Guangzhou), and St. Regis Hotel (Mexico City). Her ability to document and detail the interior environment is integral to her role in developing the Hospitality and Residential Interiors practice, where she is currently working on Minto?s Yorkville Park, Museum House, Harmony Village and the Nitesh Estates amongst projects.

Jeffrey Mok

Associate
Vancouver, Canada

#english# All# #Architecture# #BIM & 3D Visualization#
Vancouver, Canada

Jeffrey Mok is an award-winning senior designer with over 30 years of experience designing and managing architectural projects. Jeffrey also specializes in multimedia projects and computer graphics. He has produced a variety of videos and interactive projects in conjunction with his architectural design work.

Mark Nolan

Associate Director
Edmonton, Canada

#english# All# #Community / Recreational Facilities# #Heritage / Historic Preservation# #Landscape Architecture# #Master Planning# #Placemaking# #Planning & Urban Design# #Project / Programme Management# #Public Outreach#
Edmonton, Canada

Mark Nolan is a Landscape Architect and Urban Designer with 30 years of professional experience in both Canada and Australia. Mark?s areas of expertise include project management, site planning, master planning of open space, planning and design of passive and active recreation facilities, landscape rehabilitation, urban design, heritage interpretation and community consultation.

David Chow

Director | US P3 and Mobility+ Lead
Los Angeles, USA

#english# All# #Civil Engineering# #Engineering# #Land Use Planning# #Leader# #Mobility+# #Planning & Urban Design# #Senior Management# #Sustainability & Environmental Management# #Transit Oriented Development# #Transit Planning# #Transportation#
Los Angeles, USA
Many firms say they are multidisciplinary, but IBI Group delivers this value from the very beginning of a project. It is part of how we think and what makes us unique.

As US Lead, Infrastructure, David Chow is responsible for the region’s operational results, including financial performance, professional and technical work, staff development, and client satisfaction. He has a Bachelor of Science Degree (Civil Engineering) from the University of California at Irvine and is both a registered Professional Engineer (Civil) and a certified Planner with the American Institute of Certified Planners. He is a licensed engineer in California, Arizona, Michigan, Nevada, New Mexico, New York, and North Carolina, and is nationally certified by AICP as a planner in North America.

David has over 25 years of experience in engineering, planning, and urban design. He has managed major investment studies, complex transportation and land-use projects, Transit Oriented Development projects, as well as the design of local and regional transit systems, and technical work for environmental impact studies.

Bruno Peters

Deputy Regional Director, Canada West
Edmonton, Canada

#english# All# #Electrical Engineering# #Engineering# #Information & Communications Technology (ICT)# #Leader# #Mobility+# #Senior Management# #Systems Integration# #Transportation#
Edmonton, Canada

As Deputy Regional Director for Canada West, Bruno Peters works with the Regional Director to enable the region to achieve its professional and financial objectives. Bruno is a Professional Engineer with a Bachelor of Science Degree in Electrical Engineering from the University of Alberta. He possesses extensive experience in the planning, design, implementation, and maintenance of transportation and communication and web-based systems for a wide variety of applications. Bruno is pivotal in bringing a cross-sectoral approach to the IBI Group Smart City experience.

Rick Mello

Associate, Project Architect
San Luis Obispo, USA

#english# All# #Architecture# #Civic & Government# #Healthcare+# #Office Lead#
San Luis Obispo, USA

Rick Mello has grown to become a firm-wide resource for Quality Documents and Construction Administration. With over 25 years of professional experience, he brings the confidence and knowledge of a veteran to the volatile construction process. Rick has performed Construction Administration services on institutional projects including health care and public facilities. He leads the Construction Administration and sets the standards and develops the tools by which we function.

Jeffrey B. Koehn

Sr. Principal
Cincinnati, USA

#english# All# #Architectural Controls# #Bridges# #Brownfield Development# #Civic & Government# #Civil Engineering# #Civil Infrastructure# #Community / Recreational Facilities# #Design Build# #Education# #Electrical Engineering# #Engineering# #Environmental Assessment# #Fire Stations# #Green# #Heritage / Historic Preservation# #Higher Education# #Highway / Road Design# #Industrial# #K-12 Education# #Leader# #Library# #Maintenance Facilities# #Master Planning# #Mechanical Engineering# #Mixed Use# #Mobility+# #Office# #Office Lead# #Parking# #Parks# #Planning & Urban Design# #Project / Programme Management# #Public Outreach# #Residential# #Retail / Commercial# #Roads & Highways# #Seniors Communities# #Software Development# #Stadium / Athletic Facilities# #Strategic Planning# #Structural Engineering# #Subject Matter Expert# #Systems Engineering# #Transit Planning# #Transportation# #Transportation Engineering# #Transportation Planning# #Warehouse & Distribution Centre# #Water / Wastewater# #Wayfinding & Signage#
Cincinnati, USA
https://www.linkedin.com/in/jeff-koehn-1586bb5/

Jeffrey B. Koehn is the US Transportation Engineering Lead, specializing in the design of infrastructure for complex and innovative projects in both the private and public sectors. He is known in the industry for his ability to focus on the critical details required and delivering exceptional results.

Jeffrey’s responsibilities include management, design, construction management/administration of transportation improvement projects. He is also a recognized expert in the design of sustainable storm water systems, including storm water capture and re-use; large scale dry wells; pervious pavement systems and bio-retention facilities. Recent notable projects include: Washington Park, the Cincinnati Zoo, Armleder Park, Oakley Station CSO Separation Design Build, and several sections of the Ohio River trail.

Tissa De Silva

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

#english# All# #Leader# #Office Lead# #Operations & Maintenance# #product_Airport Taxi Dispatch# #product_Transmission Operations Optimizer# #product_Transmission Simulator# #Software Development# #Systems# #Systems Engineering# #Systems Integration#
Toronto, Canada

Tissa De Silva leads the Toronto Information Technology and Systems practice at IBI Group. He has over 20 years of experience in state-of-the-art information technology system architecture, system design, system development, integration, and delivery of both software and hardware system applications. Tissa has worked on technology planning, computer and communications restructure design, and advanced software systems, design, and implementation throughout his career, leading multi-million dollar projects in Canada, the USA, and the UK.

Joseph Geroux

Associate | Manager, Architecture
Salt Lake City, USA

#english# All# #Architecture# #Civic & Government# #Education# #Master Planning# #Policy & Design Guidelines# #Special Events#
Salt Lake City, USA

Joseph Geroux has a wide range of experience from large scale civic and campus master planning, to Olympic operations and venue management planning. He is familiar with public policy and has worked as a liaison between clients and various public agencies at multiple levels.

Jane Sillberg

Global Director, Human Resources
Toronto, Canada

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

Jane Sillberg is the Global Director of Human Resources and is responsible for managing the IBI Group HR team, advising the senior leadership team and managers on business and Human Resources issues, and developing HR policies, processes, and procedures to ensure consistency across the firm. Her role in IBI’s recent structural re-organization included creation of a new performance management program, career path and succession planning, and definition of job descriptions and salary ranges.

Jane is a frequent speaker at HR, benefits, and compensation conferences, and a past board member of the Communications and Technology Council in Ottawa and St. Joseph Health Care in London, Ontario. Jane has a Masters Degree in business management focusing on human resource management.

Antulio Richetta

Director
Athens, Greece

#english# Airports# #All# #Bridges# #Brownfield Development# #Civic & Government# #Civil Infrastructure# #Data / Operations Centre# #Data Analytics# #Design Build# #Highway / Road Design# #Information & Communications Technology (ICT)# #Leader# #Mechanical Engineering# #Mobility Hub# #Mobility+# #Multi-Modal Transportation# #Office Lead# #Operations & Maintenance# #P3# #Parking# #Project / Programme Management# #Research & Development# #Revenue / Tolling# #Sustainability & Environmental Management# #Systems# #Systems Engineering# #Systems Integration# #Traffic Engineering# #Traffic Management# #Transit Planning# #Transit Technologies# #Transportation# #Transportation Engineering# #Traveller Information#
Athens, Greece
http://linkedin.com/in/antulio-richetta-9075501

Antulio Richetta has a Master of Science in Transportation from the Massachusetts Institute of Technology and specializes in ITS, Motorway Concessions Toll and Motorway Management Systems, Information Technology Applied to Transportation Systems, Intermodal Systems and Transport Systems Analysis. Antulio is currently responsible for several Motorway Concession Toll, Motorway Management and Communications Systems deployments in Greece and as part of his ITS-related experience, he has led key projects in several cities worldwide including the Athens Traffic Management and Signal Study for the Athens 2004 Olympic Games, the Automated Traffic Violations Administering and Monitoring in Saudi Arabia, and the Beirut Traffic Management Program.

His technical experience extends to areas of the Transportation sector, where he was responsible for the Attiki Region Public Transport Masterplan, and Airport Masterplan projects for Santorini and Tripoli in Greece.

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