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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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Tess Gilchrist

Associate | Manager, Planning
Kingston, ON

Tess Gilchrist
#Associate | Manager, Planning# #All# #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Infill Development# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Policy & Design Guidelines# #Residential# #Seniors Communities# #Residential# ##
Kingston, Ontario, North America
Tess is a Registered Professional Planner with over twelve years of professional consulting experience in land use planning, on a variety of projects, for both public and private sector clients. As an Associate Manager, Planning at IBI Group’s Kingston office, Tess prepares and monitors development applications for a wide range of planning approvals on behalf of private clients, as well as provides planning advisory expertise to municipal clients. Tess provides comprehensive planning support for planning applications, including site analysis, planning justification reports, policy review and overall project management. Tess is passionate about shaping the local community through development that is forward thinking, sensitive to the changing landscape and creatively balances a broad range of interests.
#North America#
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Michael Mandelzys

Associate Director | Practice Lead, Transit Technology
Toronto, ON

Michael Mandelzys
#Associate Director | Practice Lead, Transit Technology # #All# #Engineering# #Operations# #Revenue / Tolling# #Transportation# ## #Systems# #Systems Engineering# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
Michael Mandelzys P.Eng is a transportation systems engineer with a passion for combining technology and transit. He has worked across North America, leading projects through planning activities such as needs assessments and conceptual designs, specification and RFP development, procurement, and design and testing during implementation. He has worked with bus, rail, and demand response transit systems including new dispatch and vehicle location systems for the Toronto Transit Commission and GO rail, advanced fare systems in London and Milwaukee, and the regional transit information site (triplinx.ca) for the Greater Toronto Area.
#North America#
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Levi Patterson

Associate Architect
Portland, OR

Levi Patterson
#Associate Architect # #All# #Architecture# #Education# #School# ## #K-12 Education# #School# #Education# ## #Leader# #Learning+# #School# #Education# ##
Portland, Oregon,
Levi is the Design Lead for our practice. As an architect, designer, and leader, Levi comes to every project with a broad perspective and deep understanding of each stage of design and construction. His ability to focus and prioritize as a project moves forward enables him to lead design concepts from inception to completion while maintaining design intent, and achieving the goals of the client and project teams. Levi’s work before joining our IBI Group includes award-winning K-12 design such as Kodiak High School in Kodiak, AK, A.G. Bell Elementary in Kirkland, WA, and Scappoose High School, in Scappoose, OR.
#North America# #Pacific West#
Visit Levi Patterson's ProfileVisit Gregg Stouder's Profile
Gregg Stouder

Associate | Manager, Architecture
Southfield, MI

Gregg Stouder
#Associate | Manager, Architecture# #All# #Architecture# #Automotive# #Industrial# ## #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Design Build# #Education# #School# ## #Entertainment Centre# #Commercial# ## #Industrial# #Manufacturing# #Industrial# ## #Mixed Use# #Commercial# ## #Retail# #Commercial# ##
Southfield, Michigan, United States
https://www.linkedin.com/in/gregg-stouder-b66b8996/
As Architecture Lead in Southfield, Michigan—and a Licensed Architect—Gregg has extensive experience solving complex architectural problems, developing creative solutions, and helping clients achieve their goals. Be it the design aspects of a building, the interpretation of a client’s needs, code or environmental constraints, or the nuts and bolts needed for construction, each step in the process requires careful analysis and determination of the right approach to move forward—Gregg has the natural propensity to select the right approach for every project he oversees. His practice markets have included automotive, manufacturing, industrial, commercial, retail, education, residential, and mixed-use buildings. Gregg is responsible for architectural design and development that include organizing and maintaining administrative controls, technical review of all projects, and quality control from project inception through construction and final closeout. He leads a highly creative and talented team of architects who focus on spaces where people work, live, and learn. Gregg is NCARB certified and holds 20 active licenses.
#North America#
Visit Usha Elyatamby P.Eng's Profile
Usha Elyatamby P.Eng

Director | Intelligence Sector Lead, International
Toronto, ON

Usha Elyatamby P.Eng
#Director | Intelligence Sector Lead, International # #All# #Data Analytics# #Design Build# #Engineering# #Leader# #Mobility+# #Transportation# ## #Operations# #Operations Centre# #Transportation# ## #P3# #Project / Programme Management# #Public Outreach# #Research & Development# #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Strategic Planning# #Subject Matter Expert# #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation#
Toronto, Ontario, Canada
https://www.linkedin.com/in/usha-e-7275908/
Usha Elyatamby is a Director with the Intelligence Sector, and National Toll Market Leader for tolling and road pricing initiatives, both in North America and internationally. Usha has over 20 years of experience with technology-led initiatives within the transportation mobility arena. She has been a trusted advisor and has been instrumental in establishing new revenue payment systems, advanced traffic management systems, and control centre operations across the globe. She leads clients with strategic planning, financial analysis, and critical thinking around design and development for construction and operations. Throughout the project lifecycle, emphasis is given to innovation, value, constructability, and maintainability. As a leading professional in the infrastructure solutions practice, Usha advises public agencies and private infrastructure concessions and operators on the technology roadmap for their capital and operational expenditures for successful operations. With the ever-changing arena of intelligent transportation systems and the digital economy, it has been important to offer sustainable design solutions to our clients. As a leader in IBI’s Intelligence sector, Usha has led strategies for continued growth in areas where operational efficiencies can be achieved through both automation and digital solutions. Her experience, coupled with her passion for technology, data analytics and automation support the strong collaboration across all three sectors at IBI Group.
#North America#
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Peter Stampone

Associate | Manager, Contract Administration
Markham, ON

Peter Stampone
#Associate | Manager, Contract Administration# #All# #Civil Infrastructure# #Industrial# #Maintenance Facilities# #Transportation# ## #Manufacturing# #Industrial# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Operations# #Project / Programme Management# #Water / Wastewater# #Industrial# ##
Markham, Ontario, Canada
Peter is an experienced Construction / Project Manager with a demonstrated 25 year history of working in the municipal water / waste water consulting industry. Possessing skills in Customer Service, Engineering, Leadership, and Project Management allows him to be a strong operations professional with a focus on all types of stakeholders. Peter holds a B.Sc. KIn McMaster University and a 3 Year Eng. DIpl. Mohawk College.
#North America#
Cathy Offenberg

Associate Director | Practice Lead, Landscape Architecture
Boston, MA

Cathy Offenberg
#Associate Director | Practice Lead, Landscape Architecture# #All# #Civic & Government# #Institution# ## #Civil Infrastructure# #Landscape Architecture# #Leader# #Master Planning# #Placemaking# #Planning & Urban Design# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Subject Matter Expert#
Boston, Massachusetts, United States of America
Since joining our team in 1999, Cathy Offenberg has developed a specialty in campus site planning and design for public and private school facilities. She also oversees a diverse array of practice areas including urban parks, streetscapes, and embassy work for the U.S Department of State’s Overseas Building Operations (OBO). As a Principal with the firm, Cathy is responsible for managing project scope, budget and schedule; client and sub-consultant coordination; supervising in-house project staff; development of design, technical and presentation packages, as well as cost estimates, technical specifications and permitting documents; construction administration and project representation at meetings and presentations. Cathy has a thorough understanding of the public process and has assisted in managing complex projects from inception through construction.
#North America# #Northeast#
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Doug McLachlan

Associate Director | Practice Lead, Architecture
Vancouver, BC

Doug McLachlan
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Healthcare+# #Healthcare# ## #Leader# #Project / Programme Management# #Public Outreach# #Subject Matter Expert#
Vancouver, British Columbia, Canada
Doug McLachlan’s professional experience includes project management, master planning, medical planning, and construction document production for various projects. As Project Manager for several master planning and renovation projects, he leads the coordination and production of indicative design drawings and output specifications, has involvement leading several user group meetings, and overseeing production of a facilities assessment report. Doug is also immersed in managing and producing schematic design drawings, working drawings, and specifications, as well as performing construction administration services.
#North America#
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Sandra Hayman

Associate | Manager, Municipal Engineering
London, ON

Sandra Hayman
#Associate | Manager, Municipal Engineering# #All# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Municipal Infrastructure# #Civil Infrastructure# ## #Transportation# #Water Resources Management# #Industrial# ##
London, Ontario, Canada
Sandra Hayman has over 30 years of experience in the civil consulting field in southwestern Ontario. Her areas of expertise are water resources stormwater management and municipal servicing design. Her experience brings a level of due diligence to project designs, ensuring they not only meet provincial and municipal requirements but timelines and budgets as well.Sandra was the Senior Design Engineer/Project Manager for the Riverside Drive reconstruction project in London, Ontario and is currently wrapping design for the Pincombe Drain Stormwater Management Facility.
#North America#
Visit Sandra Hayman's ProfileVisit Eric Czerniak's Profile
Eric Czerniak

Associate Director | Practice Lead, Buildings Projects
Toronto West, ON

Eric Czerniak
#Associate Director | Practice Lead, Buildings Projects# #All# #Design Build# #Energy Solutions# #Engineering# #Industrial# #Leader# #P3# #Project / Programme Management# #Transit Facilities# #Transportation# ##
Toronto West, Ontario, Canada
Eric Czerniak has over 20 years of experience in design and project management serving both public and private sector clients. His expertise spans the transit, industrial, commercial, energy and land development sectors. Eric has been involved in all aspects of project development, from the feasibility study phase through to preparation of technical documentation including design drawings and specifications; permitting, licensing and approvals; tendering and award; contract administration; testing and commissioning and project close-out. He is experienced in leading teams representing IBI Group as the owner’s engineer and architect which includes preparing the terms of reference; being the client’s technical advisor and representing different clients in the procurement and award of design and construction contracts. Eric is a team player and an effective communicator having managed multidisciplinary teams on projects delivered under different delivery methods including design-bid-build; design-build and AFP/P3. Eric is also a volunteer with the Professional Engineers Ontario, serving on a professional standards sub-committee for joint coordinating professionals.
#North America#
Visit Jeff Christianson's Profile
Jeff Christianson

Director | Sr. Practice Lead, Architecture
Vancouver, BC

Jeff Christianson
#Director | Sr. Practice Lead, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Residential#
Vancouver, British Columbia, Canada
Jeff Christianson is a Project Manager with more than 25 years of experience in the design and construction administration of multi-family residential, hotel, and mixed-use projects in Vancouver. He has been involved in all aspects of project development with emphasis on design development through project completion. With over 20 towers completed, he is an experienced project leader with expertise in design, design development, working drawings, and construction administration. Recent projects include several high-rise developments for Concord Pacific Place.
#North America#
Visit Thabet AbuShah's Profile
Thabet AbuShah

Associate | Manager, Transportation Engineering
Tel Aviv, Israel

Thabet AbuShah
#Associate | Manager, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Design Build# #Education# #School# ## #Energy Solutions# #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Maintenance Facilities# #Transportation# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Parking# #Residential# #Retail# #Commercial# ## #Structural Engineering#
Tel Aviv, Israel , Middle East
Thabet is a Civil and Structural Engineer with over 20 years of international experience in the UK and the Middle East. Thabet is a highly respected professional in his field, a business-minded, solutions-focused Civil and Structural Engineer, and Project Manager. He has the ability to simplify and conceptualize complex problems and processes. Thabet is a Chartered Structural Engineer (CEng) and certified International Professional Engineer (IntPE) in the UK with broad experience of project and design management, construction management, and civil and structural design experience in both the buildings and infrastructure sectors with proven capability in leading design and construction teams for the delivery of multidisciplinary projects. His technical expertise spans a wide range of civil engineering fields including detailed design of residential and commercial buildings, highway and railway infrastructure design and management, detailed structural design of transit facilities including stations, railway maintenance depots, retaining walls, and underground stations. Thabet currently serving as Design Manager and Construction Phase Services Lead for five Underground Stations for the NTA Red Line Tel Aviv LRT project. Thabet earned BEng in Civil and structural engineering degree from Nottingham Trent University (UK) and an MSc in Structural Engineering from the University of Surrey (UK) and he is a Member of The Institution of Structural Engineers in the UK (MIStructE) and registered Civil Engineer in Israel.
#Middle East#
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