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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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Nanette Shahinian

Associate Director | Practice Lead, Architecture
Toronto, ON

Nanette Shahinian
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Civic & Government# #Institution# ## #High Rise Residential# #Residential# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Residential# #Subject Matter Expert#
Toronto, Ontario, Canada
Nanette Shahinian is an Architect with over 30 years’ experience in residential and institutional buildings. She has worked on a range of buildings from high-end boutique condominiums to large scale mixed use projects. Through her involvement on high-profile projects such as Chaz Condominium, The Avenue, South Park Halifax and the Bathurst JCC, she has developed relationships with both long-standing and new clients. Nannette’s work is characterized by the desire to develop design solutions for complex buildings, which fully satisfy the client’s needs, and the detailing and physical quality of our built environment.
#North America#
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Mansoor Kazerouni

Global Director | Buildings
Toronto, ON

Mansoor Kazerouni
#Global Director | Buildings# #All# #Architecture# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Regional / Sectoral# #Senior Management# ## #Residential# #Senior Management#
Toronto, Ontario, Canada
Every building has its own idiosyncratic constraints of context, site, program, budget, and vocabulary. The challenge is to successfully resolve them into a gracefully crafted architectural composition. Our role as designers is to ensure that each building has its own personality and responds appropriately to its urban context. This is what we do best.
Mr. Kazerouni is the Global Director of Buildings at IBI. Mr. Kazerouni graduated from Washington University in St. Louis with a Master’s degree, in 1991. With over 25 years of experience, he has a significant portfolio of projects completed or underway across Canada, the United States, the UK, UAE, Jordan and India. These include high density high-rise residential buildings, hotels, office, retail, institutional, and complex urban mixed-use developments. A number of these projects have been nominated for and received Urban Design and Architectural Design awards. Mr. Kazerouni has been a guest lecturer on the subject of architecture and mixed-use design at universities, conferences and various panels. He has also been interviewed on the subject by architectural publications, newspapers, television and other media. Mr. Kazerouni’s abilities and expertise in his field have been recognized by his appointment to the City of Mississauga’s Urban Design Advisory Panel, the City of Markham’s Urban Design Advisory Panel and the City of Vaughan’s Urban Design Advisory Panel. He is also a past Advisory Board Member of the Urban Land Institute, and a member of the Royal Architectural Institute of Canada.
#North America#
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Demetrius Yannoulopoulos

Director | Office Lead
Ottawa, ON

Demetrius Yannoulopoulos
#Director | Office Lead# #All# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Leader# #Municipal Infrastructure# #Civil Infrastructure# ## #Office Lead# #Water / Wastewater# #Industrial# ##
Ottawa, Ontario, Canada
https://www.linkedin.com/in/demetrius-yannoulopoulos-83277286
Demetrius Yannoulopoulos is a Professional Engineer in Ontario with over 30 years of experience in civil engineering in both Land Development and Municipal Engineering. He is currently Project Director for a number of land development engineering studies and detail design projects, all based out of the Ottawa office. His Municipal Engineering experience includes design of road and infrastructure renewal projects in both Ottawa and Kingston. He has served as Municipal Engineer for various smaller municipalities reviewing development plans and providing general engineering advice to councils. public sector projects include infrastructure renewal for DND, and Correctional Services Canada. In addition to the various projects Demetrius has completed over the years, he has also assisted the civil engineering field in both the public and private realms by sitting on various engineering committees and serving on the executive of the Kingston Home Builders Association.
#North America#
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Kerry Anger

Director | Sr. Practice Lead, Structural Engineering
Toronto West, ON

Kerry Anger
#Director | Sr. Practice Lead, Structural Engineering# #All# #Civil Infrastructure# #Engineering# #Industrial# #Leader# #Maintenance Facilities# #Transportation# ## #Office# #Commercial# ## #Parking# #Project / Programme Management# #Retail# #Commercial# ## #Structural Engineering# #Subject Matter Expert#
Toronto West, Ontario, Canada
Kerry Anger experience expands over 40 years in the structural design and supervision of a variety of municipal, industrial, commercial, residential, education, aviation, transit facilities including stations, maintenance and storage garages. He also has experience with building demolition, seismic evaluation, restoration of existing and historic structures, evaluation/audits, warehouses, laboratories, heavy equipment structures/foundations, vibrations/acoustics, reinforcement, parking garages and office/research facilities. Kerry has been working as a Structural Engineer Supervisor and Engineer on various domestic and international projects and is experienced in all aspects of development from conceptual phase through approvals, detailed design, tendering, construction, contract administration and project close-out.
#North America#
Visit Neil Munro's Profile
Neil Munro

Associate Director | Practice Lead, Architecture
Toronto, ON

Neil Munro
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Civic & Government# #Institution# ## #Education# #School# ## #Entertainment Centre# #Commercial# ## #Higher Education# #School# #Education# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Office Lead# #Residential# #Retail# #Commercial# ## #Stadium / Athletic Facilities# #Institution# #Civic & Government# ## #Subject Matter Expert#
Toronto, Ontario, Canada
With over 40 years of professional architectural experience, Neil Munro has a diverse portfolio of work and project experience working with government agencies, residential, institutional, commercial and urban planning clients. Neil has an exemplary record of institutional work including acting as principal in charge for two demanding and complex architectural commissions, the York University Schulich School of Business, which received the Governor General’s Award for Architecture, and University of Waterloo School of Pharmacy and School of Medicine recipient of the Ontario Association of Architects Design Excellence Award. Neil has authored papers and given public lectures on ecological and environmental design issues. For his achievement in environmental design, he was also appointed a Fellow of the Royal Architectural Institute of Canada.
#North America#
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Daniel Crosthwaite

Associate Director | Practice Lead Buildings Projects
Toronto West, ON

Daniel Crosthwaite
#Associate Director | Practice Lead Buildings Projects# #All# #Civic & Government# #Institution# ## #Data Analytics# #Electrical Engineering# #Engineering# #Industrial# #Project / Programme Management# #Transportation#
Toronto West, Ontario, Canada
Daniel Crosthwaite has over 30 years of experience in engineering, project management and business administration. He has extensive experience in project management for complex and multidisciplinary, high-profile design assignments, project costing, project selection and forensic analysis for client projects. Daniel is an electrical engineer with detailed understanding of disciplines, including architectural, civil, structural, mechanical and industrial, which he leverages for advanced project management techniques to plan, execute, monitor and control project portfolios and optimize individual project team performance. He has experience with multiple contract arrangements and has gained this understanding through leading complex, multidisciplinary design projects, which allows him to interface with and coordinate the activities of professionals in these fields.
#North America#
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#
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Meghan Black

Associate | Manager, Water/Wastewater
Ottawa, ON

Meghan Black
#Associate | Manager, Water/Wastewater# #All# #Civil Infrastructure# #Engineering# #Residential# #Sustainability & Environmental Management# #Green# ## #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Ottawa, Ontario, Canada
Meghan Black LEED AP is a Water Resources Engineer who has been involved in the preparation of stormwater management reports and plans and the design of stormwater management facilities servicing residential developments in Ottawa, the GTA, as well as St. Vincent and Grenadines. Her modeling experience includes hydrologic and hydraulic analysis using SWMHYMO, DDSWMM, XPSWMM and HEC-RAS.
#North America#
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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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Jeffrey B. Koehn

Director | Transportation, United States
Cincinnati, OH

Jeffrey B. Koehn
#Director | Transportation, United States# #All# #Architectural Controls# #Architecture# ## #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Engineering# #Green# #Industrial# #Leader# #Maintenance Facilities# #Transportation# ## #Mobility+# #Transportation# ## #Office Lead# #Parking# #Project / Programme Management# #Public Outreach# #Subject Matter Expert# #Transportation# #Transportation Engineering# #Transportation# ## #Warehouse & Distribution Centre# #Industrial# ## #Water / Wastewater# #Industrial# ##
Cincinnati, Ohio, United States of America
https://www.linkedin.com/in/jeff-koehn-1586bb5/
Jeffrey B. Koehn is the U.S. Transportation Director, 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 to deliver exceptional results on fast-paced infrastructure projects. Jeffrey’s responsibilities include management, design, construction management/administration of transportation improvement projects. He is also a recognized expert in the design of sustainable stormwater systems, including stormwater 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, HAM-75, Wasson Way Phase 4 and 5, and several sections of the Ohio River trail.
#Midwest# #North America#
Visit Rahul Mehra's Profile
Rahul Mehra

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

Rahul Mehra
#Director | Sr. Practice Lead, Intelligent Systems# #All# #Data Analytics# #Design Build# #Engineering# #Healthcare+# #Healthcare# ## #Information & Communications Technology# #ICT# ## #Leader# #Mobility+# #Transportation# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Operations# #Operations Centre# #Transportation# ## #P3# #Project / Programme Management# #Research & Development# #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Subject Matter Expert# #Sustainability & Environmental Management# #Green# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Traffic Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ## #Wayfinding & Signage#
Toronto, Ontario, Canada
https://www.linkedin.com/in/rahul-mehra-b804b33/
Rahul Mehra is a registered Professional Engineer in the Province of Ontario with 15 years of experience. He joined IBI Group upon graduation and has built an extensive background in tolling and revenue systems and manages the broad scope of these projects from design, through implementation, solution deployment into the ongoing operation and maintenance of IBI’s systems. Rahul was a key participant in the Health Care Challenge initiative and has continued to collaborate with colleagues from sectors to advance IBI?s interests in the area of health care related solutions. Rahul is currently dividing his time between a number of tolling projects in Mexico, testing for the development of new standards with the International Bridge, Tunnel and Turnpike Association, and several toll consulting assignments across North America.
#North America#
Visit William Sanabria's Profile
William Sanabria

Director | Sr. Practice Lead, Infrastructure
Toronto West, ON

William Sanabria
#Director | Sr. Practice Lead, Infrastructure# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Engineering# #Leader# #Project / Programme Management# #Subject Matter Expert# #Transportation# #Transportation Engineering# #Transportation# ## #Water / Wastewater# #Industrial# ##
Toronto West, Ontario, Canada
William Sanabria has over 24 years of experience in the management of transportation design and construction projects in the areas of highways, freeways, arterial roads and urban streets, as well as, storm and sanitary sewers. His design work includes all aspects of highway and municipal infrastructure, including Class Environmental Assessments, roadway, drainage, roadside protection, utility coordination, drafting and contract documentation. William has a sound knowledge of relevant legislation, including the Occupational Health and Safety Act, and applicable codes and standards, including York Region Design Standards and Guidelines and Ontario Provincial Standards. He is fluent in both English and Spanish and is a member of the Transportation Association of Canada Geometric Design Standing Committee.
#North America#
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