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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 2,700 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Steven Butler, PE

Associate | Manager, Transportation Engineering
Cincinnati, OH

Steven Butler, PE
#Associate | Manager, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Design Build# #Engineering# #Project / Programme Management# #Transportation# #Transportation Engineering# #Transportation# ##
Cincinnati, Ohio, United States of America
Steven Butler has over ten years of civil engineering experience, with emphasis in structural design. He has evaluated and developed superstructure and sub-structure plans for a variety of bridges within the states of Ohio and West Virginia. His experience extends to all phases of civil engineering projects, including preliminary studies and reports, site surveys and investigations, specifications, quantity take-offs, and cost estimates. Steven’s work includes bridge design, inspection, replacement, rehabilitation and review projects, where his deliverables include the design of superstructures, substructures, and miscellaneous details along with site layout and minor roadway items.
#Midwest# #North America#
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Carlos Gutierrez De Quevedo

Associate Director - Practice Lead, Transit Technology
Toronto, ON

Carlos Gutierrez De Quevedo
#Associate Director - Practice Lead, Transit Technology# #All# #Data Analytics# #Leader# #Mobility+# #Transportation# ## #Operations# #Planning & Urban Design# #Placemaking# ## #Policy & Design Guidelines# #Research & Development# #Spanish Regional# #Subject Matter Expert# #Systems# #Terminals# #Transportation# #Transit Facilities# ## #Transit Management# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Planning# #Transportation# ##
Toronto, Ontario, Canada
Carlos Gutierrez De Quevedo is a mobility specialist with over ten years of experience researching and working on urban mobility projects. He is considered a subject matter expert for Smart Cities and part of the team developing IBI Group’s profile in Latin America. Carlos has a M.Sc. in Transportation from MIT supplemented by international experience in planning and policy, infrastructure, operations, analytics, and technology projects. His strength lies in his ability to lead multidisciplinary teams in different contexts with well-rounded knowledge in all modes of urban transportation. His signature projects include analytics to infer origin and destination matrices and improve bus schedules in the Basque Country, Spain and outlining the Mobility as a Service vision for Chattanooga, ennessee. He is currently defining intelligent infrastructure for dynamic platform allocation at Metrolinx’s Union Station Bus Terminal.
#Latin America# #North America#
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David Kamnitzer

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

David Kamnitzer
#Director | Sr. Practice Lead, Intelligent Systems# #Advanced Traffic Management System# #Transportation# #ATMS# ## #All# #Data Analytics# #Leader# #Mobility+# #Transportation# ## #Revenue / Tolling# #Transportation# ## #Revenue Collection# #Transportation# #Revenue / Tolling# ## #Road Permitting System# #Transportation# #Bridges, Roads & Highways# ## #Software as a Service# #SaaS# ## #Subject Matter Expert# #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Traffic Management# #Transportation# ## #Transit Management# #Transportation# ## #Transit Oriented Development# #TOD# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #TravelIQ# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
We need to get a lot smarter about how we move people and goods around. This requires connected thinking, the harnessing of technology, and ultimately a change in people's priorities and values.
David Kamnitzer is a holistic thinker who applies business analysis, transport operations, systems, and engineering skills to projects in traffic management, traveller information, tolling, and transit. David also leads IBI’s RouteMapper business, which provides spatial imagery/LiDAR surveying and software services for planning, design, asset management, and maintenance applications. A strong writer and presenter, David is often involved in high-profile initiatives that require interaction at the top levels of public and private sector organizations.
#North America#
Visit David Kamnitzer's ProfileVisit Terry Ruszczak's Profile
Terry Ruszczak

Associate | Manager, Contract Administration
Toronto, ON

Terry Ruszczak
#Associate | Manager, Contract Administration# #All# #Architecture# #High Rise Residential# #Residential# ## #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Project / Programme Management# #Residential#
Toronto, Ontario, Canada
Terry Ruszczak is a dedicated, results-oriented, energetic and creative Architectural Technologist, with 35 years of experience in contract administration/field inspection, with an emphasis on project management and leadership. He directs the drafting team for working drawings, tendering, shop drawing review and monitored/inspected the project on-site as liaison between the client, consultants and contractors. He is commended for his communication with multiple stakeholders in the implementation of designs into construction documents. Comprehensive knowledge of building science principles, construction methods and techniques and his understanding of zoning by-laws allow for Terry’s unique and creative ability to execute accurate working drawings for building permit application and construction maintaining the highest levels of Life Safety.
#North America#
Visit Danny Brewster's Profile
Danny Brewster

Director | Office Lead
Houston, TX

Danny Brewster
#Director | Office Lead# #All# #Architecture# #Civic & Government# #Institution# ## #Education# #School# ## #K-12 Education# #School# #Education# ## #Leader# #Learning+# #School# #Education# ## #Sustainability & Environmental Management# #Green# ##
Houston, Texas, North America
Mr. Brewster joined IBI Group in 1999 and brings over 25 years of institutional and commercial architectural experience to the firm. He has successfully managed projects with tight constraints and budget parameters including new facilities, additions and renovations. Daniel is involved in every project phase and has a reputation for effectively leading large, complex teams and creating sustainable solutions for clients. Mr. Brewster’s experience with IBI Group includes projects in the educational, religious and civic sectors. His work with our educational clients centers on the transition from traditional to next generation learning environments and pedagogies. Daniel also has experience in managing extensive multi-facility expansion and enhancement projects and understands the natural relationship between a school facility and best practices for teaching and learning.
#North America# #Southeast#
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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#
Jeffrey Mok

Associate
Vancouver, BC

Jeffrey Mok
#Associate# #All# #Architecture# #High Rise Residential# #Residential# ## #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Residential#
Vancouver, British Columbia, 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.
#North America#
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Juan Camilo Barrera

Associate | Manager, Civil Engineering
Toronto West, ON

Juan Camilo Barrera
#Associate | Manager, Civil Engineering# #All# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Engineering# #Environmental Assessment# #Development Engineering# ## #Industrial# #Municipal Services# #Civil Infrastructure# ## #Project / Programme Management# #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Toronto West, Ontario, Canada
Juan Camilo Barrera has over 20 years of experience involved in various aspects of civil and municipal engineering. His skills and expertise include utility coordination, hydrology and hydraulic modelling, storm water management planning, water supply systems, earthworks, subsurface utility engineering, municipal engineering, urban planning and project management. Juan has worked as the Civil Engineering Lead and Project Engineer on a number of projects, including in the mining, industrial and infrastructure sectors. He also has extensive project cycle experience, from front-end studies to full EPCM and Design-Bid-Build mandates, as well as P3/Design-Build projects in complex and time-sensitive environments. He is an active member of the Public Utilities Management Subcommittee, which is part of the Maintenance and Construction Standing Committee of the Transportation Association of Canada.
#North America#
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Steve Jones

Principal - Mixed-Use, Buildings
Salt Lake City, UT

Steve Jones
#Principal - Mixed-Use, Buildings# #All# #Architecture# #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ##
Salt Lake City, Utah, United States of America
Stephen Jones is a registered architect and principal with thirteen years of experience on a variety of project types. Licensed in Washington and Utah, Steve has expertise in urban mixed-use, healthcare and multi-family projects. A leader and advocate for the architectural needs of under-served and vulnerable communities, he has been on the board of directors for Community Psychiatric Clinic (Seattle), the Sarah Daft Home (Salt Lake City) and Lifting Hands International.
#Mountain West# #North America#
Visit Steve Jones's ProfileVisit Stelios Pelantakis's Profile
Stelios Pelantakis

Associate Director | Practice Lead, Land Engineering
Dubai, UAE

Stelios Pelantakis
#Associate Director | Practice Lead, Land Engineering# #All# #Civil Infrastructure# #Development Engineering# #Engineering# #Leader# #Project / Programme Management# #Revenue / Tolling# #Transportation# ## #Subject Matter Expert# #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation#
Dubai, United Arab Emirates, Middle East
Stelios Pelantakis counts over 22 years’ experience in Infrastructure Engineering and Intelligent Transportation Systems. Since joining IBI Group in 2000 he has worked for projects in Greece, UK, Lebanon, United Arab Emirates and Saudi Arabia. Stelios is Practice Lead for Land Engineering projects in Saudi Arabia and United Arab Emirates.
#Middle East#
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Steve Woods

Associate | Landscape Architecture
Boston, MA

Steve Woods
#Associate | Landscape Architecture # #All# #Landscape Architecture# #Placemaking#
Boston, Massachusetts, North America
https://www.linkedin.com/in/steven-woods-5a00929/
Steve offers a highly unique and creative design approach to every project he pursues. Since joining the firm in 2001, he has helped lead in the creative design of a wide range of projects, from urban office plazas and riverfronts to 100 acre eco-parks and highway corridors. In every project, Steve strives to engage the client in a collaborative dialogue of experiencing the landscape in new and exciting ways. He is currently managing a range of exciting urban design and mixed use commercial projects.
#North America# #Northeast#
Visit 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# #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#
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