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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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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#
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Kevin Wood

Associate Director | Principal, Water Resources Engineering
Westerville, OH

Kevin Wood
#Associate Director | Principal, Water Resources Engineering# #All# #Civil Infrastructure# #Economic / Financial Analysis# #Engineering# #Leader# #Municipal Infrastructure# #Civil Infrastructure# ## #Project / Programme Management# #Subject Matter Expert# #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Westerville, Ohio, United States of America
As the US Lead on Water/Wastewater, Kevin Wood’s goal is to provide communities with an improved quality of life through superior engineering, particularly with reference to local jurisdiction water and wastewater projects. Kevin has helped municipalities and townships identify, apply for and receive state and federal grant and loan monies for infrastructure development projects, after providing the facilities planning necessary to establish community needs and costs. His expertise matching infrastructure and economic development needs of communities with available resources is critical to providing satisfactory solutions. As Project Manager for water and wastewater projects, his project involvement begins at the inception of the project and continues through to the design, funding, construction and rate determination stages.
#Midwest# #North America#
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Tissa De Silva

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

Tissa De Silva
#Director | Sr. Practice Lead, Intelligent Systems# #Airport Taxi Dispatch# #Transportation# #ITS# #Intelligent Transportation Systems# #Transit Technology# ## #Airports# #Transportation# ## #All# #BlueiQ# #Industrial# #Water Resources Management# ## #Leader# #Office Lead# #Operations# #Ports# #Transportation# #Transit Facilities# #Terminals# ## #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ##
Toronto, Ontario, Canada
Tissa De Silva leads the global practice of Intelligent Systems at airports, seaports and other major transportation environments. He specializes in ITS systems and solutions, including Traffic Management and Traffic Safety Systems on both local and International arenas. He has over 25 years of experience in Advanced Information Technology Systems, including System Architecture, Software, Hardware, Application Design and Solutions. He is a North American expert for the U.S. National ITS Architecture Program and for Volpe Research Center in the U.S. Real-time control, monitoring, and revenue management systems for transportation networks and Artificial Intelligence-based control and optimization of energy management solutions for “Smart City” water utilities are marquee projects he has directed for clients in Canada and the U.S. Tissa has worked with Homeland Security in the U.S. on developing cargo container / railcar monitoring and control systems as well as major revenue management systems for transportation management authorities. He has also led multi-million dollar Revenue Management and Monitoring and Control Systems for a variety of transportation clients across the globe.
#North America#
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Kaiping Zhang

Associate | Manager, Process Engineering
Markham, ON

Kaiping Zhang
#Associate | Manager, Process Engineering# #All# #Civil Infrastructure# #Water / Wastewater# #Industrial# ##
Markham, Ontario, Canada
Kaiping has over 20 years of experience in engineering design of municipal water and wastewater infrastructure projects including proposal development, conceptual design, feasibility studies, preliminary and detailed design, and contract documents preparation; Extensive knowledge and experience in water / wastewater treatment systems, including preliminary, biological, tertiary, biosolids treatment, demineralization and zero liquid discharge (ZLD) treatment processes. Experience in asset management and condition assessment of process mechanical equipment.
#North America#
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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#
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Nihit Jain

Associate - Manager, Transit Data
Boston, MA

Nihit Jain
#Associate - Manager, Transit Data# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Data Analytics# #Data Centre# #Commercial# #Office# ## #Economic / Financial Analysis# #Light Rail Transit# #Transportation# #LRT# ## #Mobile Technology# #Transportation# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Operations# #Operations Centre# #Transportation# ## #Project / Programme Management# #Rail# #Transportation# ## #Research & Development# #Revenue / Tolling# #Transportation# ## #Smart Cities# #Strategic Planning# #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Terminals# #Transportation# #Transit Facilities# ## #Transit Facilities# #Transportation# ## #Transit Planning# #Transportation# ## #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Boston, Massachusetts, United States of America
https://www.linkedin.com/in/nihit-jain-06534018/
Nihit is an Associate with IBI Group, and specializes in the planning, design, implementation, testing, and use of technology and data systems in the mobility space. Over the last 10 years, he has worked on a mix of public transportation, highway, traffic, and municipal system projects. He brings a deep understanding of the challenges agencies have in designing, installing, operating, and maintaining transportation technology systems, and how they are used by different stakeholders across multiple modes. Nihit is managing IBI Group’s work for Tampa HART Transit Technology Support, Sound Transit’s APC Systems Consulting Research Services, Westchester County Transportation’s Radio Migration. Nihit has also acted in a project management or technical capacity for various agencies across the US, including CTDOT/CTTransit, Ithaca TCAT, MassDOT/MBTA, and Penn Turnpike Authority. Nihit has also presented in various APTA conferences across the US on demand response transportation, fare collection, and transit technology and serves on the Board of the Philadelphia chapter of the Young Professionals in Transportation group.
#North America# #Northeast#
Billy Shum

Director | Sr. Practice Lead, Transportation Engineering
Markham, ON

Billy Shum
#Director | Sr. Practice Lead, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Bus Rapid Transit# #Transportation# #BRT# ## #Engineering# #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Operations# #Subject Matter Expert# #Traffic Engineering# #Transportation# #Traffic Management# ## #Traffic Management# #Transportation# ## #Transportation# #Transportation Engineering# #Transportation# ##
Markham, Ontario, Canada
Billy has over 19 years of combined experience in Traffic Engineering and ISO 9001:2015 Quality Management Systems.  He leads a group of Transportation, Traffic, and Electrical Engineers, and Quality Management professionals across several IBI Group offices on large LRT/BRT projects, including: HurOntario LRT; Eglinton Crosstown LRT and Tunneling; Scarborough & Yonge North Subway Extension, York Region vivaNext BRT; Mississauga GO BRT; and City of Edmonton Valley Line LRT Billy is a professional engineer with the Professional Engineers Ontario, a California/Ohio licensed professional Civil and Traffic Engineer, and a certified Professional Traffic Operations Engineer (PTOE).   Billy is an ISO 9001:2015 Quality Management System (QMS) Professional Auditor certificated by the International Register of Certificated Auditors (IRCA) and Chartered Quality Institute (CQI). He is also the Vice Chair of the National mirror committee for ISO/TC 269-Railway Applications under Standards Council of Canada (SCC) and is a member of Transportation Association of Canada (TAC)’s Traffic Operations and Management Standing Committee.  
#North America#
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Rachel Nason

Senior Sales Manager
Halifax, NS

Rachel Nason
#Senior Sales Manager# #All#
Halifax, Nova Scotia,
Rachel Nason is a Senior Sales Manager with HotSpot Parking, specializing in digital transportation solutions for Municipalities, Educational Institutions, Healthcare and Private Operators across North America. Rachel brings over 15+ years in B2C and B2G sales, with a strong passion for customer service, delivering clear communication and creative solutions. HotSpot Parking helps agencies adapt to the digital commuter of today with a wide range of products including: Mobile Pay, QR Code Technology, Digital Parking Permits, License Plate Recognition, Citation Management, Transit and more. HotSpot Parking provides value in continuous improvement of automating manual processes, minimizing hardware requirements, and promoting an economical and sustainable digital first approach to paid parking.
#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#
Visit Daniel Crosthwaite'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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Samson Li P.Eng

Associate | Manager, Tunnel Ventilation
Vancouver, BC

Samson Li P.Eng
#Associate | Manager, Tunnel Ventilation# #All# #Rail# #Transportation# ## #Transit Facilities# #Transportation# ## #Transportation#
Vancouver, British Columbia, Canada
Mr. Samson Li is a Professional Mechanical Engineer with over 10 years of experience in designing, specifying, and coordinating Tunnel Ventilation Systems (TVS) for various rail transit projects throughout his career; heavily involved throughout the life-cycle from design, specification, installation, to testing and commissioning of the TVS for these rapid transit projects. He also has many years of producing and reviewing fire simulation models for transit projects, and is familiar with the programs and standards involved. Having produced both mechanical and architectural drawings, combined with the experience of working with several senior architects and engineers during his career, it has provided him an understanding of the required integration and coordination of tunnel ventilation systems within transit station design. Samson has also been in the position of site engineer and coordinator for a considerable amount of time during his career, gaining him knowledge in general construction and equipment maintenance. He has also held the roles of ‘Tunnel Ventilation team lead’ and ‘Mechanical Tunnel Ventilation Supervisor’, and applied the knowledge and skills he has obtained to lead a team of CFD fire modelers and TVS designers.
#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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