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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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Cathy Offenberg

Principal, Landscape Architecture
Boston, MA

#english# #All# #Civic & Government# #Civil Infrastructure# #Landscape Architecture# #Master Planning# #Placemaking# #Planning & Urban Design#
Boston, Massachusetts, United States of America

Cathy Offenberg has a thorough understanding of the public process and has managed complex projects from inception through construction. She also has considerable experience administering construction phase services on a range of projects, to ensure contractor compliance with contract documents.

Matthew Belaen

Associate | Manager, Architecture
Toronto, ON

#english# #Architecture# #Bus Rapid Transit# #Community / Recreational Facilities# #Design Build# #Entertainment Centre# #High Rise Residential# #Library# #Living+# #Low Rise Residential# #Manufacturing# #Master Planning# #Mid Rise Residential# #Mixed Use# #Mobility Hub# #Office# #P3# #Placemaking# #Project / Programme Management# #Residential# #Retail / Commercial# #Terminals# #Transit Facilities#
Toronto, Ontario, Canada

Matt is an Architect Project Manager at the 55 St. Clair W office and has been with IBI for four years. He has experience leading large complex projects with fully integrated multi-discipline project teams, working closely with the Toronto West and Richmond Hill offices. Matt works directly with clients from the initial project vision and programming stage through to construction. Recent projects that he has been a team leader on include the Magna International Head Office and multiple Metrolinx Transportation Pursuits.

Prior to joining IBI, Matt was a manager and a design team member for the concept and approvals phase of the Parq Vancouver project, an 800,000 sq. ft. multi-hotel, conference centre, and casino complex. He has been a design team member for various architecture design competitions for cultural buildings and libraries in Quebec, several of which have been recognized internationally for design merit. Matt has also worked on, and lead, various cultural and community architecture projects in Asia, with a focus on Indonesia and Taiwan. Matt is a member of the OAA and RAIC.

Vlad Losner

Director | Sr. Practice Lead, High Rise Residential
Toronto, ON

#english# #All# #Architecture# #High Rise Residential# #Leader# #Living+# #Mixed Use# #Residential# #Retail / Commercial# #Subject Matter Expert#
Toronto, Ontario, Canada

Vlad Losner holds a Diploma of Architecture degree from the University of Bucharest, Romania with over 30 years of experience. He has served as lead designer on a number of successful residential, commercial and mixed-use projects in dense urban environments, including Maple Leaf Square, Sutton Place (The Britt) and 411 Wellesley.

Tom Tsaktsiris

Associate | Manager, Architecture
Toronto, ON

#english# #All# #Architecture# #High Rise Residential# #Hospitality# #Hotels# #Living+# #Mixed Use# #Project / Programme Management# #Residential# #Resorts# #Sustainability & Environmental Management#
Toronto, Ontario, Canada

Tom Tsaktsiris LEED AP BD+C specializes in high-rise Residential and Hospitality projects. His early involvement on a number of high profile projects such as The Four Seasons Hotel and Residences, The Shores at Bronte Harbour and the Toronto Delta Hotel has propelled him to the position of Project Manager where he has further developed his relationships with his clients and honed his management skills, while leading highly motivated multi-member teams. Tom has played an integral role in the successful execution of the Valhalla Condos and Towns for Edilcan, Minto’s Yorkville Park and The Yorkdale Condominiums for Heights Development Inc., where his work is helping to revitalize the Lawrence Heights neighbourhood.

Jeffrey B. Koehn

Associate Director | US Transportation Lead, Infrastructure
Cincinnati, OH

#english# #All# #Architectural Controls# #Bridges# #Brownfield Development# #Civil Engineering# #Civil Infrastructure# #Engineering# #Environmental Assessment# #Green# #Highway / Road Design# #Industrial# #Leader# #Maintenance Facilities# #Mobility+# #Office Lead# #Parking# #Project / Programme Management# #Public Outreach# #Roads & Highways# #Subject Matter Expert# #Transportation# #Transportation Engineering# #Warehouse & Distribution Centre# #Water / Wastewater#
Cincinnati, Ohio, United States of America
https://www.linkedin.com/in/jeff-koehn-1586bb5/

Jeffrey B. Koehn is the US Transportation Engineering Lead, specializing in the design of infrastructure for complex and innovative projects in both the private and public sectors. He is known in the industry for his ability to focus on the critical details required and delivering exceptional results.

Jeffrey’s responsibilities include management, design, construction management/administration of transportation improvement projects. He is also a recognized expert in the design of sustainable storm water systems, including storm water capture and re-use; large scale dry wells; pervious pavement systems and bio-retention facilities. Recent notable projects include: Washington Park, the Cincinnati Zoo, Armleder Park, Oakley Station CSO Separation Design Build, and several sections of the Ohio River trail.

Wendy de Silva

Architect | Mental Health Lead
London, UK

#english# #All# #Architecture# #Community / Recreational Facilities# #Design Build# #Green# #Healthcare+# #Mental Health Care# #Mixed Use# #Placemaking# #Policy & Design Guidelines# #Subject Matter Expert# #UK Regional#
London, United Kingdom, Europe
https://www.linkedin.com/in/wendy-de-silva-764b0529/
There is no health without mental health' WHO.

Wendy de Silva is an award winning architect and accredited RIBA Client Advisor with over 30 years of industry experience. She has amassed a wealth of knowledge across a range of educational, commercial and residential projects, but her particular expertise is in healthcare design. She has extensive understanding of the mental health sector and has worked with clients who are at the forefront of best practices and she is passionate about service improvements. Her project work has been recognized with awards for innovation and for providing best in class mental health facilities. She has presented papers on mental health design at conferences in the UK and Scandinavia.

Wendy has also worked on a wide range of primary and community health facilities and is keenly interested in the integration of health and social care services. She has been involved in competition winning integrated health and housing developments in London regeneration areas and has worked as Technical Advisor to community based NHS Trusts.

Wendy’s involvement as a governor of UCLH FT from 2004-2011 also enabled her to gain excellent insight into the rapidly changing NHS environment and the pressures that Foundation Trusts currently face. She continues to serve on its Arts and Heritage Committee.

John Byrne

Director | Office Lead
Edmonton, AB

#english# #All# #Development Engineering# #Geomatics / Land Surveying# #Land Use Planning# #Leader# #Office Lead# #Planning & Urban Design# #Spatial Intelligence# #Systems Integration#
Edmonton, Alberta, Canada
www.linkedin.com/in/johnbyrne-9956627b
We enjoy the challenge of finding unique solutions to our clients survey and land-tenure needs. We pride ourselves in providing the best solution, whether high-tech or traditional.

John Byrne is a leader in IBI Group?s Geomatics offering, specializing in Land Survey Services. He has been involved with virtually every new technology in surveying over the last 45 years, including first generation Satellite systems (Doppler), Offshore navigation, GPS and continues to be involved with the changes in technology with Drones and Digital scanning systems.John has been involved with the development of digital Cadastral bases across Canada and was involved in both the Parcel (Provincial) mapping of Alberta and the municipal mapping as well.

A key component of his expertise is related to helping develop methods with in the Land Titles system to bringing a project to market both delivery of title and separate financing of various components of a multi-use project. He has also been recognized as an expert witness by the Alberta Court of Queen’s bench as it relates to planning processes.

Ron Stewart

Deputy Regional Director, Canada East
Toronto, ON

#english# #All# #Civil Infrastructure# #Engineering# #Leader# #Mobility+# #Operations & Maintenance# #Senior Management# #Traffic Engineering# #Transit Technology# #Transportation# #Transportation Engineering# #Transportation Planning#
Toronto, Ontario, Canada

As Deputy Regional Director for Canada East, Ron Stewart’s primary focus is liaising with the Ontario office leads outside Toronto. Ron is a transportation engineer, and member of Professional Engineers Ontario, the Institute of Transportation Engineers, and the Transportation Association of Canada. He has more than 30 years of experience leading multidisciplinary teams in both the private and public sectors at the municipal, provincial, and federal levels across Canada. His experience includes Traffic Engineering, Road Safety, Transportation Planning, Transit Systems, ITS, and Signal System Operations and Maintenance.

Ron has a Bachelor of Applied Science in Civil Engineering from the University of Waterloo and a Master of Business Administration from York University.

Anita Leonoff

Director | Office Lead, Vancouver
Vancouver, BC

#english# #All# #Architecture# #Heritage / Historic Preservation# #Leader# #Learning+# #Office# #Office Lead# #Project / Programme Management# #Public Outreach# #Retail / Commercial# #Subject Matter Expert#
Vancouver, British Columbia, Canada

Anita Leonoff joined IBI Group shortly after graduating from UBC’s Architecture School and learned quickly. In the mid 1980s, Anita began the renovation work on the Hotel Vancouver, one of her longest running projects and one she continues to work on to this day. In the 1990s, Anita took on the local work for Holt Renfrew which at the time was renovation work. This later turned into a new store for Vancouver, followed by Calgary, and a number in Ontario and Quebec, which is a testament to her work. Anita’s areas of specialty include institutional and hospitality facilities design, retail and office tenant fit-ups, heritage renovations, and the management of the approvals and public consultation processes.

Juan Camilo Barrera

Associate | Manager, Civil Engineering
Toronto West, ON

#english# #All# #Civil Engineering# #Civil Infrastructure# #Engineering# #Environmental Assessment# #Industrial# #Municipal Services# #Project / Programme Management# #Water / Wastewater# #Water Resources Management#
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.

Ellen Roland

Associate | Interior Designer
Toronto, ON

#english# #Interiors# #Living+# #Office# #Subject Matter Expert#
Toronto, Ontario, Canada

Throughout her career with IBI Group, Ellen Roland has been responsible for the interior design of a significant amount of Toronto’s premier office space. In keeping with her trademark style, these spaces are continuously designed to be both elegant and innovative in nature.

With over 35 years of experience, Ellen has gained a strong sense of purpose as well as a devotion to detail, which has been proven to be an incomparable asset through the number of prestigious awards many of her projects have received. Ellen thrives on being challenged and encourages her clients to look beyond the familiar perspective of office settings and to utilize solutions that reinvent and rethink the workplace.

Mark Woloszyk

Manager, Industrial Engineering
Southfield, MI

#english# #All# #Engineering# #Industrial#
Southfield, Michigan, United States of America
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