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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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David En

Associate | Manager, Systems Engineering
Toronto West, ON

David En
#Associate | Manager, Systems Engineering# #All# #Engineering# #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ##
Toronto West, Ontario, Canada
David En has over 22 years of experience in the controls industry. He is practiced in all phases of control system design, software development, installation, commissioning and testing for a number of industrial applications. He also provides extensive technical support and sales for the system integrators and end customers in East Asia. David’s solid knowledge of control theory and proficient in programmable logic controllers, distributed control systems, intelligent loop controllers, HMI and SCADA systems has benefitted industrial projects in Canada, Europe and Asia.
#North America#
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Brad (Yi) Tang

Associate | Project Manager
Vancouver, BC

Brad (Yi) Tang
#Associate | Project Manager# #All# #Architectural Controls# #Architecture# ## #Architecture# #Commercial# #Community / Recreational Facilities# #Institution# #Civic & Government# ## #High Rise Residential# #Residential# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Learning+# #School# #Education# ## #Living+# #Residential# ## #Low Rise Residential# #Residential# ## #Maintenance Facilities# #Transportation# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Parking# #Project / Programme Management# #Residential# #Retail# #Commercial# ## #Seniors Communities# #Residential# ##
Vancouver, British Columbia, North America
Brad was born and raised in China and worked as an architect there for over 10 years before moving to Canada in 2005. He joined IBI Group in 2011 and has over twenty-five years of professional architectural experience, particularly in high-rise and mid-rise residential projects. Brad is familiar with concrete, steel and wood structure buildings. With skills in construction site management, he has coordinated general contracting, multidisciplinary trades, and has worked with engineering and other specialty consultants during design and construction. I contribute valuable knowledge to ensure project goals, budgets and schedules are met. Additionally, my attention to detail and excellent problem-solving skills guarantee that every project I work on is completed to the highest possible standard.
#North America#
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Heidi Rose

Associate Director | Practice Lead, Interior Design
Toronto, ON

Heidi Rose
#Associate Director | Practice Lead, Interior Design# #All# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Interiors# #Interior Design# ## #Leader# #Residential# #Retail# #Commercial# ##
Toronto, Ontario, Canada
Heidi Rose is a team design lead with well over a decade of experience in the field of Interiors. She specializes in conceptual design in both hospitality and high-rise residential interiors. With her experience she has developed a keen eye for detail with the utmost attention to quality and design, and has the ability to establish and identify creativity in each new opportunity. Heidi’s strengths lie in concept through to construction focusing on building honest client relationships, while maintaining the overall design intent and direction. She has the ability to provide creative design solutions that adapt seamlessly to aesthetic, and project goals. Her design approach is to collaboratively provide tasteful, and thoughtful interiors that are relevant and cultivated. Some of Heidi’s experience is built from working on the Public Hotel in Chicago, the Editions Hotel in Miami, and the St. Regis Hotel in Mexico City to name a few during her growth at Yabu Pushelberg. IBI Group initiatives have brought her multiple high-rise residential opportunities ranging from high to low end markets making her experience vast and adaptable. The ties between hospitality and residential design are like-minded in creating lasting interiors to surprise the visual senses of the end user.
#North America#
Visit Heidi Rose's ProfileVisit Rachel Vesz's Profile
Rachel Vesz

Urban Designer
Toronto, ON

Rachel Vesz
#Urban Designer# #All# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Placemaking# #Planning & Urban Design# #Placemaking# ##
Toronto, Ontario, Canada
https://www.linkedin.com/in/rachel-vesz-27a543116
Rachel is an Urban Planning graduate, specializing in Urban Design. In her role with IBI Group, Rachel has a passion for creating vibrant community master plans, rooted in an understanding of planning best practices and innovative urban design. She has experience working on a diverse range of local and international projects with IBI Group, with project experience related to streetscape master planning, community master planning, public realm design, transit-oriented development, block and site planning and high-quality urban design, among others. Rachel is also experienced in public consultation, having worked with a variety of communities in effectively engaging their citizens using technology-based approaches.
#North America#
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Douglas Stewart

Associate | Manager, Planning
Waterloo, ON

Douglas Stewart
#Associate | Manager, Planning# #All# #Brownfield Development# #Development Engineering# ## #High Rise Residential# #Residential# ## #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Planning & Urban Design# #Placemaking# ## #Project / Programme Management#
Waterloo, Ontario, Canada
No planning challenge too great to resolve.
Douglas Stewart has over 17 years of experience and his areas of expertise include Class Environmental Assessment. Official Plans, Official Plan Amendments, Regional Official Policies Plan Amendments, Community Plans, District/Secondary Plans, Plans of Subdivision, Plans of Condominium, Zoning By-Law Amendments, Consents, Variances, Site Plans, Feasibility Studies, Planning Summary Reports, Brownfield Redevelopments, Extensive Ontario Municipal Board Experience.
#North America#
Visit Ruth Loetterle's Profile
Ruth Loetterle

Associate, Landscape Architect
Boston, MA

Ruth Loetterle
#Associate, Landscape Architect# #All# #Green# #Higher Education# #School# #Education# ## #Landscape Architecture# #Master Planning# #Placemaking# #Planning & Urban Design# ## #Parks# #Institution# #Civic & Government# ## #Placemaking# #Secondary School# #School# #Education# #K-12 Education# ##
Boston, Massachusetts, North America
https://www.linkedin.com/in/ruth-loetterle-5304aa11/
Ruth joined IBI Placemaking in 1980. Since that time she has worked on a variety of projects from master planning and site design of public and mixed income housing to signage design. More recently her work has focused on the master planning and site design for a variety of institutions – colleges, universities, secondary schools, neighborhood groups, nature centers, and botanical gardens. Ruth enjoys working with institutional communities to plan and design facilities that meet their needs and reflect their image and unique character, using workshops to gather the critical information and discover collective solutions. Ruth serves on the board of Grow Native Massachusetts, a small non-profit that promotes the recognition of the ecological potential of every corner of the state, no matter how small.
#North America# #Northeast#
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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Andrew Wong

Associate Director | Practice Lead, Transportation Engineering
Toronto, ON

Andrew Wong
#Associate Director | Practice Lead, Transportation Engineering# #Active Transportation# #Transportation# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Civic & Government# #Institution# ## #Civil Infrastructure# #Data Analytics# #Engineering# #Leader# #Light Rail Transit# #Transportation# #LRT# ## #Multi-Modal Transportation# #Transportation# ## #Operations# #Operations Centre# #Transportation# ## #Project / Programme Management# #Research & Development# #Software as a Service# #SaaS# ## #Systems# #Systems Integration# #Systems# ## #Terminals# #Transportation# #Transit Facilities# ## #Traffic Management# #Transportation# ## #Transit Facilities# #Transportation# ## #Transit Management# #Transportation# ## #Transit Oriented Development# #TOD# ## #Transit Planning# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Toronto, Ontario, Canada
https://www.linkedin.com/in/andrew-c-k-wong-p-eng-pmp-72985b8/
With ten years of experience in traffic and transit operations, Andrew Wong has a wealth of knowledge when it comes to ITS. His project work the development of technology plans, benefit-cost analysis, traffic signal control systems, transit dispatch systems, transit signal priority, operation and maintenance plans, and stakeholder consultation, with a recent focus on traffic and transit data collection and analytics.
#North America#
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Liviu Birjega

Associate | Manager, Intelligent Systems
Pompano Beach, FL

Liviu Birjega
#Associate | Manager, Intelligent Systems# #Active Transportation# #Transportation# ## #Advanced Traffic Management System# #Transportation# #ATMS# ## #Airports# #Transportation# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Data Analytics# #Data Centre# #Commercial# #Office# ## #Design Build# #Mobile Technology# #Transportation# ## #Parks# #Institution# #Civic & Government# ## #Ports# #Transportation# #Transit Facilities# #Terminals# ## #Project / Programme Management# #Rail# #Transportation# ## #Research & Development# #Revenue / Tolling# #Transportation# ## #Smart Cities# #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Transit Facilities# #Transportation# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ##
Pompano Beach, Florida, United States of America
www.linkedin.com/in/LiviuBirjega
Honesty and truth is the ultimate sophistication.
Liviu Birjega has over 17 years of extensive involvement in IBI Group – Intelligent Systems division and more than 27 years of experience working in software development, IT and academia. Mr. Birjega provides functional and technical expertise, strategies and leadership in the development of new IBI Group projects and enhancements of existing ones delivering results across multiple verticals and technology platforms to enterprise clients. Monitors technology trends that will impact products in the years to come and recommends suitable new technologies and standards to create strategic prioritization and add higher value to customers. A champion for product quality, specializes in systems architecture, design, development and integration, software development life cycle, user experience complex processes, business analysis and integration.
#North America# #Southeast#
Visit Liviu Birjega's ProfileVisit Milena Radakovic's Profile
Milena Radakovic

Deputy Regional Director, Canada East
Toronto, ON

Milena Radakovic
#Deputy Regional Director, Canada East# #All# #High Rise Residential# #Residential# ## #Interiors# #Interior Design# ## #Leader# #Office# #Commercial# ## #Project / Programme Management# #Regional / Sectoral# #Senior Management# ## #Senior Management# #Wayfinding & Signage#
Toronto, Ontario, Canada
https://www.linkedin.com/in/milena-radakovic-67105848/
Milena Radakovic believes today’s designer must embrace all facets of the design process and provides an in-depth knowledge of corporate design strategies, furniture, design and specification, scheduling and construction administration. She sees her role as crucial in overseeing her team from start to finish, inviting all the new, progressive measures of design today. Her forward thinking nature and positive approach are immediately recognizable; her professionalism and attention to business goals and strategy is her number one priority. Milena fuses her design education with technical and construction knowledge. Her work is streamlined, efficient, multi-disciplined, dynamic and process oriented.
#North America#
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Robert Aeck

Associate Director | Building Engineering Lead
Southfield, MI

Robert Aeck
#Associate Director | Building Engineering Lead# #All# #Automotive# #Industrial# ## #Brownfield Development# #Development Engineering# ## #Commercial# #Data Centre# #Commercial# #Office# ## #Design Build# #Education# #School# ## #Entertainment Centre# #Commercial# ## #Green# #Healthcare+# #Healthcare# ## #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #K-12 Education# #School# #Education# ## #Labs / Life Sciences# #Healthcare# ## #Learning+# #School# #Education# ## #Living+# #Residential# ## #Low Rise Residential# #Residential# ## #Maintenance Facilities# #Transportation# ## #Manufacturing# #Industrial# ## #Mid Rise Residential# #Residential# ## #Office# #Commercial# ## #Policy & Design Guidelines# #Project / Programme Management# #Research & Development# #Retail# #Commercial# ## #Spiritual Places# #Institution# #Civic & Government# #Church# ## #Stadium / Athletic Facilities# #Institution# #Civic & Government# ## #Structural Engineering# #Transit Facilities# #Transportation# ##
Southfield, Michigan, United States of America
https://www.linkedin.com/in/robert-c-aeck-pe-se-pmp-75024414/
One is only limited by their own fear of the unknown, but the unknown can be learned with the right will and determination. One should not be limited by the box in which they think, but dare to think outside of the box and challenge those around them to do so as well. There is nothing that can not be done, there are only problems that need be solved through ingenuity, imagination, and engineering.
Rob is an NCSEA award-winning structural engineer with over 18+ years of experience at his craft. His past experiences have run the maze with respect to types and size, and include all aspects of structural engineering. From construction support engineering with high-rise connection design for Time Warner Center in New York, and erection procedure design for Motor City Casino in Detroit, to building design of the Thyssen Krupp Hot Strip Mill in Alabama and re-design of the award-winning Lansing Community College Health and Human Service Careers building in Michigan, his vast range of experience brings out of the box problem solving and agile team collaboration into all projects. Rob has directed multiple multi-discipline and multi-locational teams in various projects, similar to the LEED Gold Tier 3 Mission Critical Data Center for a confidential automotive client in Michigan where agile processes resulted in a high tempo and top-performing team. His attention to detail and ability to help his clients find the most efficient designs to help them save cost and time make him a valuable part of any team.
#Midwest# #North America#
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Scott Johnston

Associate Director | Practice Lead, Transportation Engineering
Toronto West, ON

Scott Johnston
#Associate Director | Practice Lead, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Infrastructure# #Data Analytics# #Engineering# #Transportation# #Transportation Engineering# #Transportation# ## #Transportation Planning# #Transportation# ##
Toronto West, Ontario, Canada
Scott Johnston is a transportation planner with six years of experience in project management, functional planning, travel demand modeling, and traffic engineering. He has expertise in the application of travel demand modeling software to evaluate roadway and public transit operations and improvement needs, as well as recent experience with micro-simulation of transportation corridors for EA purposes. Scott has been involved with various transportation related studies, including transit and roadway planning, master plans, survey design and methodology, analysis of data, and reporting.
#North America#
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