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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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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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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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Stacy Unholz

Sr. Project Manager
Los Angeles, CA

Stacy Unholz
#Sr. Project Manager# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Mobility+# #Transportation# ## #Revenue / Tolling# #Transportation# ## #Strategic Planning# #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Los Angeles, California, United States of America
https://www.linkedin.com/in/stacy-unholz-48b95616/
Stacy Unholz is an expert Project Manager with over 15 years’ experience managing projects in all areas of intelligent transportation systems such as advanced traveler information services (ATIS), advanced traffic management systems (ATMS), and strategic planning.  Ms. Unholz has supported several projects in the areas of Smart Cities and Internet of Things (IoT), helping to design and deploy technology solutions to mobility, sustainability and livability. Ms. Unholz is currently the Project Manager for the Los Angeles County Service Authority for Freeway Emergencies (LA SAFE) 511 Interactive Voice Response (IVR) system covering the greater Los Angeles area.   She is also supporting the design and development of a ground transportation permitting system for the Los Angeles Department of Transportation. Ms. Unholz has extensive experience with 511 traveler information systems and has been involved in several 511 projects at all levels, from definition of functional requirements to implementation, operation, and successful upgrade and enhancements of services.  Ms. Unholz works with IBI’s Solutions group to support national deployment of an integrated suite of services that includes integration of third party data feeds, and the distribution of traveler information via website, mobile application, IVR systems and social media platforms.
#North America# #Pacific West#
Visit Stacy Unholz's ProfileVisit Chris Fickert's Profile
Chris Fickert

Associate | Manager, Architecture
Toronto, ON

Chris Fickert
#Associate | Manager, Architecture# #All# #Architecture# #Civic & Government# #Institution# ## #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Education# #School# ## #Green# #K-12 Education# #School# #Education# ## #Leader# #Learning+# #School# #Education# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ##
Toronto, Ontario, Canada
Drawing on 30 years of experience in cities as diverse as London, New York and Buenos Aires, Chris brings an acute urban sensibility to the design of contemporary buildings. As a designer and manager, he has headed up large multi-disciplinary teams collaborating on complex educational, healthcare, residential and mixed-use projects in Canada and the United States. Chris leads the Canada East K-12 sector for IBI which counts the majority of school boards in southern Ontario as clients. Comfortable with projects at any scale, Chris always looks for design opportunities that further the clients’ goals with an original solution. Firmly committed to sustainability he has taught and consulted on sustainable design in the USA, Spain and Argentina. Chris also leads IBI’s Canada East Sustainability Initiative and is a member of our corporate Climate Action Initiative.
#North America#
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Salim Kumar Narayanan

Director | Sr. Practice Lead, Architecture
Vancouver, BC

Salim Kumar Narayanan
#Director | Sr. Practice Lead, Architecture# #All# #Architecture# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Healthcare+# #Healthcare# ## #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Leader# #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Project / Programme Management# #Residential# #Retail# #Commercial# ## #Transit Facilities# #Transportation# ## #Transportation#
Vancouver, British Columbia, Canada
Salim Narayanan has over 25 years of experience in various capacities ranging from Senior Project Manager to Designer in architecture for projects in Canada, USA, Middle East and India. He is skilled in developing design concepts, construction documentation, contract administration, and liaising with consultants, construction companies, city authorities, and clients. His experience in North America primarily includes mixed-use high-rise residential buildings. His previous experience also includes residential and office towers, commercial complexes, hotel and resort projects, institutional and healthcare facilities, sports/multi-purpose halls, movie theatres, industrial buildings, transit centers, housing complexes, luxury palaces, and grand houses. Salim has a keen interest in integrating technology, detailing, and functional design.
#North America#
Visit Christina Pilz's Profile
Christina Pilz

Associate - Manager, Landscape Architecture
Toronto, ON

Christina Pilz
#Associate - Manager, Landscape Architecture# #Active Transportation# #Transportation# ## #All# #Civic & Government# #Institution# ## #Green# #Heritage / Historic Preservation# #Landscape Architecture# #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #P3# #Parks# #Institution# #Civic & Government# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Project / Programme Management# #Transportation#
Toronto, Ontario, Canada
Christina Pilz is a Landscape Architect and ISA Certified Arborist with more than 18 years of experience in design and project management. She brings a broad range of skills and capabilities to the firm drawn from her academic and work experience. She has an undergraduate degree in Environmental Science specializing in Natural Resource Management and Botany, and a Master of Landscape Architecture from the University of Guelph. Ms. Pilz combines strong design sensibilities with an in-depth understanding of ecological systems and plant material, resulting in sustainable design solutions that are sensitive to the environment while creating aesthetically pleasing and functional public spaces. In recent years, Christina’s work has been focused on the delivery of P3 projects and implementation of sustainable design solutions that include LID, uncompacted soil conditions for long-term tree growth, and thoughtful plant species selection.
#North America#
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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Deepak Darda

Global Director, Innovation
Toronto, ON

Deepak Darda
#Global Director, Innovation# #All# #Corporate# #Senior Management# ## #Economic / Financial Analysis# #Leader# #Mobility+# #Transportation# ## #Office Lead# #Revenue / Tolling# #Transportation# ## #Senior Management# #Smart City Platform# #Smart Cities# ## #Systems# #Traffic Management# #Transportation# ## #Transit Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
As the head of IBI Group’s Office of Innovation, Deepak is driving IBI’s transformational pivot to a technology-driven design firm through focused efforts catalyzing core growth, transforming IBI’s business models, exploring future tech disruptions in the industry, and fostering innovation. Deepak also leads IBI’s Smart City Sandbox initiative, a unique partnership between public- and private-sector industry leaders, whose goal, together with the start-up ecosystem, is to bring innovative new technology solutions to urban environments. Prior to becoming the Global Director of Innovation, Deepak built IBI Group’s presence in India from the ground up into the significant contributor to the firm’s International operations that it is today. Deepak is an alum of the Harvard Business School and holds a Masters degree from Massachussetts Institute of Technology (MIT) and a Bachelors degree from IIT Bombay.  
#North America#
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Mahsa Adib

Associate | Manager, Architecture
Vancouver, BC

Mahsa Adib
#Associate | Manager, Architecture# #All# #Architecture# #BIM & 3D Visualization# #Education# #School# ## #High Rise Residential# #Residential# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Retail# #Commercial# ## #Subject Matter Expert#
Vancouver, British Columbia, Canada
Mahsa’s combined design and technical skills have made her a valued asset within IBI Group. She graduated with honors from Columbia University in New York, where she was exposed to innovative contemporary and forward-looking architectural challenges. Working at well-known firms such as Henriquez, Bing Thom and now IBI have provided her a diverse background in a variety of institutional, residential and commercial projects. She has contributed design and project leadership to a series of high profile projects such as Burrard Place, Granville & 68th Avenue, and Pearson Dogwood. Her artistic eye combined with technical precision brings design excellency to her projects.
#North America#
Visit Mahsa Adib's ProfileVisit Jason Glaskin-Clay's Profile
Jason Glaskin-Clay

Associate | Manager, SCADA
Markham, ON

Jason Glaskin-Clay
#Associate | Manager, SCADA# #Airports# #Transportation# ## #All# #Design Build# #Electrical Engineering# #Engineering# #Industrial# #Living+# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Operations# #Operations Centre# #Transportation# ## #Project / Programme Management# #Smart Cities# #Software as a Service# #SaaS# ## #Strategic Planning# #Subject Matter Expert# #Systems Integration# #Systems# ## #Transportation Engineering# #Transportation# ##
Markham, Ontario, Canada
https://www.linkedin.com/in/jason-glaskin-clay-ba0907b6/
Jason is a seasoned and highly accomplished SCADA / Controls Engineer with over 18 years of experience. After graduating from the University of Western Ontario with a bachelors of computer science and electrical engineering, he started his career developing control system software solutions for manufacturing and food and beverage clientele as a Systems Integrator. Four years into his career, Jason transitioned into the Water/Wastewater industry providing SCADA consultant services for Municipal Utilities throughout North America. His consultant experience includes procurement analysis, developing procurement contracts, master planning, conceptual/preliminary design, standards development, detailed design, construction administration, site supervision, systems integration and commissioning. Jason’s core strength is working with clients to define their future vision for their control systems and developing an actionable capital improvement program to support. In addition to his technical expertise, Jason has significant experience managing complex capital projects and developing / executing business development strategic plans.
#North America#
Visit Parvathy Pillai's Profile
Parvathy Pillai

Associate | Manager, Transit Technology
Toronto, ON

Parvathy Pillai
#Associate | Manager, Transit Technology# #Active Transportation# #Transportation# ## #Advanced Traveler Information System# #Advanced Traveller Information System# #Transportation# #511# #ATIS# ## #All# #Data Analytics# #Energy Solutions# #Mobility+# #Transportation# ## #Project / Programme Management# #Research & Development# #Strategic Planning# #Sustainability & Environmental Management# #Green# ##
Toronto, Ontario,
https://ca.linkedin.com/in/parvathy-krishna-pillai
Parvathy Pillai is an established sustainability leader experienced and certified in program and project management (PgMP and PMP). She is also a Six Sigma/lean practitioner (ASQ Six Sigma Black Belt) with strong experience in the zero-emission transportation technology industry. She is a results-driven leader with over 6 years of experience in consulting supporting transit agencies, municipalities, cities and private sector partners across North America in energy transition to clean transportation solutions. She has over 12 years of industry experience in program and project management, planning, and successful execution. She has successfully led more than 50 transit electrification and decarbonization projects in North America.
#North America#
Visit Nicolas Al Nakhl's Profile
Nicolas Al Nakhl

Associate - Manager, Buildings Projects
Toronto West, ON

Nicolas Al Nakhl
#Associate - Manager, Buildings Projects# #Airports# #Transportation# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Civic & Government# #Institution# ## #Civil Infrastructure# #Commercial# #Data Centre# #Commercial# #Office# ## #Design Build# #Development Engineering# #Electrical Engineering# #Energy Solutions# #Entertainment Centre# #Commercial# ## #Heritage / Historic Preservation# #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Living+# #Residential# ## #Maintenance Facilities# #Transportation# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mixed Use# #Commercial# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Office# #Commercial# ## #Operations Centre# #Transportation# ## #Parking# #Policy & Design Guidelines# #Project / Programme Management# #Research & Development# #Retail# #Commercial# ## #Smart Cities# #Solar# #Energy Solutions# ## #Strategic Planning# #Systems# #Systems Integration# #Systems# ## #Transportation# #Transportation Planning# #Transportation# ## #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Toronto West, Ontario, Canada
https://www.linkedin.com/in/nicolas-al-nakhl-81236323/
A little bit of water can save a human's life but a little bit of electricity can kill it.
Nicolas has a unique blend of international experience in multi-discipline (electrical, mechanical, civil, structural) engineering, construction, contracts and project management. He has 27 years of engineering and management experience in power, oil, gas, utilities and asset management, renewable energy, infrastructure, ICI, and land development; completing tenth of projects worth more than $10 billion US. Nicolas is educated in electrical power engineering with IT enterprise software knowledge to support experience. He is fluent in English, French and Arabic, and is effective in communicating with all levels from executive management to field personnel. He is also experienced in Microsoft Office suite of applications, as well as enterprise software such as GIS and CMMS. Nicolas is proficient in Bechtel’s Contracts formulation and management, FIDIC suite of contracts, and CCDCs. He has a good track record in achieving results and objectives, while spearheading teamwork, collaboration, and cooperation.
#North America#
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