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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 2,500 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Stacy Unholz

Sr. Project Manager
Los Angeles, CA

#english# #Advanced Traffic Management System (ATMS)# #Mobility+# #Revenue / Tolling# #Strategic Planning# #Traveller Information#
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.

Nazeeh Oudeh

Associate - Manager, Transportation Engineering
Southfield, MI

#english# #Active Transportation# #Advanced Traffic Management System (ATMS)# #Airports# #Bridge Engineering# #Bus Rapid Transit# #Civic & Government# #Civil Engineering# #Civil Infrastructure# #Design Build# #Detention Facilities# #Development Engineering# #Economic / Financial Analysis# #Highway / Road Design# #Maintenance Facilities# #Mobility+# #Municipal Services# #Parking# #Parks# #Project / Programme Management# #Revenue / Tolling# #Roads & Highways# #Smart Cities# #Structural Engineering# #Transit Facilities# #Transportation Engineering# #Water Resources Management#
Southfield, Michigan, United States of America

Nazeeh Oudeh is the Transportation Lead in Southfield, MI. He is an innovator in his field, known for developing the Star interchange concept, creating innovative solutions to storm water management and mitigating poor soils with hybrid structures. He is a licensed PE in the State of Michigan, with more than 33 years of experience. He joined IBI Group in October of 2017.

Some of his notable projects include the Fort Street Viaduct Replacement, which used an innovative inverted strut to address poor soils and stability concerns; the American Center for Mobility, which is Michigan’s test track for connected and autonomous vehicles; and I-94 in Dearborn, which won the American Society of Civil Engineers, Michigan Project of the Year.

Nick Tsatas

Associate Director | Practice Lead, Intelligent Systems
Athens, Greece

#english# #Mobile Technology# #Mobility+# #Operations & Maintenance# #Project / Programme Management# #Revenue / Tolling# #Smart Cities# #Systems# #Systems Engineering# #Systems Integration#
Athens, Greece, Europe
https://www.linkedin.com/in/nick-tsatas-59415437/

Nick specializes in intelligent transportation systems (ITS) project management, including the design and engineering, installation supervision, testing, integration and commissioning, and system support and software maintenance of toll/revenue systems. He is actively involved in the design and implementation of real-time electronic payment systems for tolling operations. He has been the Project Manager for several systems IBI Group has supplied to motorway concessions in Greece.

He was also part of the OneIBI Quality Task Force, helping with the delivery of recommendations for the development and implementation of a Quality Management Program across the firm. He is currently involved in business development and management of deployment projects, as well as systems support and software maintenance.

Bill Bruce

Associate Director - Office Lead, Knoxville
Knoxville, TN

#english# #All# #Community / Recreational Facilities# #Healthcare+# #Landscape Architecture# #Living+# #Mixed Use# #Office Lead# #Parks# #Placemaking# #Policy & Design Guidelines#
Knoxville, Tennessee, United States of America

Bill Bruce brings wide-ranging experience in planning and design for higher education campuses, cities and towns, mixed-use developments, parks and recreational open space. Prior to joining IBI Group, Bill founded and led Community Concepts, Inc., a full service planning and landscape architecture firm located in Marietta, GA. He also co-founded Designing4Health in 2011. The organization brings together health, design, marketing and funding professionals. They study healthy solutions that can increase the overall health of a campus, community or project by utilizing local health data as a guiding principle for policy, planning and design.

Elizabeth Vieweg

Senior Project Manager
Toronto, ON

#english# #All# #Civic & Government# #Operations & Maintenance# #Planning & Urban Design# #Project / Programme Management# #Public Outreach# #Special Events# #Strategic Planning# #Transportation#
Toronto, Ontario, Canada

Elizabeth Vieweg is a passionate, goal-oriented leader with 20 years of experience managing multiple portfolio events in fast-paced national and international Games environments. This is bolstered by additional experience as a senior manager in the sport, arts and health sectors. Elizabeth is also a skilled negotiator, collaborator and integrator with diverse groups of stakeholders, including municipal and provincial levels of government, community leaders, First Nations, facility/venue owners, games host societies, senior management, and volunteers.

Mark Wyllie

Associate | Manager, Engineering Field Services
Calgary, AB

#english# #All# #Development Engineering# #Engineering#
Calgary, Alberta, Canada

Mark Wyllie has ten years of experience as an engineering technologist with IBI Group and has managed multiple field crews over that timeframe.

Sarah Boyle

Studio Director
Manchester, UK

#english# #Acute Care# #All# #Architecture# #Design Build# #Healthcare+# #Office Lead# #Public Outreach# #UK Regional#
Manchester, United Kingdom, Europe

Sarah Boyle has over ten years of experience working in the healthcare sector and is the lead for healthcare team in IBI Group’s Manchester office. Sarah has the ability to grasp new ideas and integrate them into desired results and is strongly committed to delivering innovative architecture. She has a range of experience across major new build and refurbishment projects for both NHS Trusts and private healthcare clients. She has been involved in both primary and acute care projects from inception to completion through various procurement routes including traditional, partnering and design and build.

Sarah has an enthusiasm for meaningful stakeholder consultation and the ability to develop the brief through engagement and interpretation of client/end user needs.

Yong Kang

Director | US Sector Lead, Buildings
Los Angeles, CA

#english# #All# #Architecture# #Design Build# #Hospitality# #Leader# #Living+# #Mixed Use# #Office# #Policy & Design Guidelines# #Project / Programme Management# #Residential# #Retail / Commercial# #Senior Management# #Strategic Planning#
Los Angeles, California, United States of America
https://www.linkedin.com/in/yong-j-kang-aia-60281a11/

As the US Sector Lead, Buildings, Yong Kang is responsible for overseeing the strategy, growth and development of the company’s new and existing business for IBI Group’s architectural, engineering and interior design practices nationwide. Bringing over two decades of proven experience in leading and managing major projects, Yong is a recognized leader in his profession. He is internationally recognized for having led the design of more than 15 million square feet of complex building environments for his clients throughout North America and Asia including multi-national conglomerates.

Yong is a licensed architect and is actively affiliated with numerous professional organizations including: the American Institute of Architects (AIA), the Urban Land Institute (ULI), the Southern California Development Forum (SCDF) and the International Council of Shopping Centers (ICSC) amongst others. Yong holds a Master of Architecture from Syracuse University.

Jack Chung

Associate Manager, Architecture
Toronto, ON

#english# #All# #Architecture# #High Rise Residential# #Living+# #Mixed Use# #Residential#
Toronto, Ontario, Canada

Jack Chung has over 20 years of experience specializing in high-rise residential projects. Through his involvement on a number of projects, such as 88 Scott Street, Pears on the Avenue and The KIP, he has developed long-lasting client relationships for the firm. His hands-on experience over the years has enabled him to effectively see a project from design through to project completion.

Homayoun Vahidi

Director
Vancouver, BC

#english# #All# #Leader# #Mobility+# #Policy & Design Guidelines# #Systems# #Systems Engineering# #Systems Integration# #Traffic Management# #Transit Technology# #Transportation# #Transportation Engineering#
Vancouver, British Columbia, Canada

Homayoun Vahidi has over 20 years of experience in the management, planning, design, implementation, evaluation, operation, and maintenance of ITS projects and is in charge of IBI Group’s engineering and systems practice in British Columbia. Homayoun has broad and combined expertise in transportation engineering and systems, with specialty expertise in technology applications. He has led numerous large-scale transportation systems projects for the Province of British Columbia and for TransLink in the Metro Vancouver region over the past decade.

Arthur Briggs

Associate | Manager, Architecture
Toronto, ON

#english# #All# #Architecture# #Mixed Use# #Office# #Project / Programme Management# #Sustainability & Environmental Management# #Transit Facilities# #Transportation#
Toronto, Ontario, Canada

Arthur Briggs LEED AP has established himself as a team leader over the past ten years with IBI Group. He is highly respected within the industry and has a keen understanding of construction detailing and delivery. He has helped establish IBI Group as a known leader in the design and construction of a wide variety of building types. Arthur presents himself as a resource for all staff and well-respected for his thoroughness.

Phil Colleran

Associate Director | US Placemaking Lead, Infrastructure
Boston, MA

#english# #All# #Landscape Architecture# #Mixed Use# #Planning & Urban Design#
Boston, Massachusetts, United States of America

Phil Colleran has directed a range of urban mixed-use development projects in the US and abroad. He has significant experience with complex planning projects and large teams in the Far East, the Middle East and North Africa. In his work, he is responsive to environmental and civic concerns and has deployed ground-breaking design strategies suitable to climate and project conditions.

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