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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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Paula Lappas

Associate Director | Practice Lead, Interior Design
Toronto, ON

Paula Lappas
#Associate Director | Practice Lead, Interior Design# #All# #Architecture# #Interiors# #Interior Design# ## #Office# #Commercial# ##
Toronto, Ontario, Canada
Paula Lappas has 15 years of intensive multidisciplinary experience in architecture, planning and interior design. Her architectural background brings solid knowledge on built form modules and allows ultimate flexibility in developing and creating highly progressive and innovative solutions in any environment. As a senior designer, she has participated on several larger scale projects ensuring a highly creative and detailed quality in designing interiors and coordinated with the functional and technical aspects of the projects. As a passionate, energetic, efficient and organized professional, she processes excellent communications, sound project management skills and a team spirited personality.
#North America#
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Marek Otwinowski

Associate Director
Calgary, AB

Marek Otwinowski
#Associate Director# #All# #Architecture# #Leader# #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Residential#
Calgary, Alberta, Canada
Marek Otwinowski has extensive knowledge of building and construction systems and has the complete ability to develop designs into built form. His education in contracting, technical detailing and architecture is bolstered by 23 years of experience in the Canadian market.
#North America#
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Garry Howard

Studio Principal
London, UK

Garry Howard
#Studio Principal# #Acute Care# #Healthcare# ## #All# #Architecture# #Healthcare+# #Healthcare# ## #Leader# #Mental Health Care# #Healthcare# ## #P3# #Public Outreach# #UK Regional#
London, United Kingdom,
Garry Howard is a talented designer, skilled at executing complex design exercises for both the healthcare and education sector. An active listener, Garry works closely with clients to translate their aspirations into a robust brief. He engages all stakeholders to ensure a comprehensive and creative solution with a keen interest in providing a sustainable design. Garry’s involvement in PFI projects has made the most of his ability to conceptualise highly complicated schemes. His expertise lies in visualising ideas with speed and accuracy, allowing new designs to be explored with ease. With a history of leading large design teams and consortia, Garry is confident at delivering projects of any size and at all stages of design and procurement. In healthcare, Garry offers a great depth of experience, from complex acute hospitals to smaller, specialist mental health facilities. With a good understanding of healthcare planning, he has been able to offer clients creative solutions that meet their ‘model of care’ whilst designing-in both flexibility and expansion opportunities for future change. In education, Garry has worked with Colleges, including specialist agricultural schools and Local Authorities to develop designs that are cost-effective and adaptable whilst providing environments that help foster a positive learning experience.
#United Kingdom#
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Stephen Donnelly

Associate Director | Practice Lead, Architecture
Toronto, ON

Stephen Donnelly
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Design Build# #Education# #School# ## #Green# #Higher Education# #School# #Education# ## #Learning+# #School# #Education# ## #Project / Programme Management#
Toronto, Ontario, Canada
https://www.linkedin.com/in/stephen-donnelly-75900069/?ppe=1
Stephen Donnelly is one of the firm’s leading specialists in the design and construction of educational facilities. His experience ranges from childcare centres, elementary and secondary schools to award winning College and University buildings. He has been involved in all facets of project realization for many of the firm’s large-scale sophisticated projects at several Canadian Universities. Stephen is currently the project manager and lead designer for the new Applied Health Sciences Addition at the University of Waterloo. He has extensive experience delivering projects via a variety of delivery methods including Design-Bid-Build, Design-Build and P3 procurement.
#North America#
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Nick Tsatas

Associate Director | Practice Lead, Intelligent Systems
Athens, Greece

Nick Tsatas
#Associate Director | Practice Lead, Intelligent Systems# #All# #Leader# #Mobile Technology# #Transportation# ## #Mobility+# #Transportation# ## #Operations# #Project / Programme Management# #Revenue / Tolling# #Transportation# ## #Smart Cities# #Subject Matter Expert# #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ##
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.
#Europe#
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Tess Gilchrist

Associate | Manager, Planning
Kingston, ON

Tess Gilchrist
#Associate | Manager, Planning# #All# #High Rise Residential# #Residential# ## #Higher Education# #School# #Education# ## #Infill Development# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Low Rise Residential# #Residential# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Office# #Commercial# ## #Placemaking# #Planning & Urban Design# #Placemaking# ## #Policy & Design Guidelines# #Residential# #Seniors Communities# #Residential# ##
Kingston, Ontario, North America
Tess is a Registered Professional Planner with over twelve years of professional consulting experience in land use planning, on a variety of projects, for both public and private sector clients. As an Associate Manager, Planning at IBI Group’s Kingston office, Tess prepares and monitors development applications for a wide range of planning approvals on behalf of private clients, as well as provides planning advisory expertise to municipal clients. Tess provides comprehensive planning support for planning applications, including site analysis, planning justification reports, policy review and overall project management. Tess is passionate about shaping the local community through development that is forward thinking, sensitive to the changing landscape and creatively balances a broad range of interests.
#North America#
Kerry Anger

Director | Sr. Practice Lead, Structural Engineering
Toronto West, ON

Kerry Anger
#Director | Sr. Practice Lead, Structural Engineering# #All# #Civil Infrastructure# #Engineering# #Industrial# #Leader# #Maintenance Facilities# #Transportation# ## #Office# #Commercial# ## #Parking# #Project / Programme Management# #Retail# #Commercial# ## #Structural Engineering# #Subject Matter Expert#
Toronto West, Ontario, Canada
Kerry Anger experience expands over 40 years in the structural design and supervision of a variety of municipal, industrial, commercial, residential, education, aviation, transit facilities including stations, maintenance and storage garages. He also has experience with building demolition, seismic evaluation, restoration of existing and historic structures, evaluation/audits, warehouses, laboratories, heavy equipment structures/foundations, vibrations/acoustics, reinforcement, parking garages and office/research facilities. Kerry has been working as a Structural Engineer Supervisor and Engineer on various domestic and international projects and is experienced in all aspects of development from conceptual phase through approvals, detailed design, tendering, construction, contract administration and project close-out.
#North America#
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Bruce W Retzsch

Associate Director-Principal | Architecture
Boca Raton, FL

Bruce W Retzsch
#Associate Director-Principal | Architecture# #All# #Architecture# #Commercial# #Industrial# #Infill Development# #Land Use Planning# #Placemaking# #Planning & Urban Design# ## #Leader# #Manufacturing# #Industrial# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #Planning & Urban Design# #Placemaking# ##
Boca Raton, Florida, United States of America
https://www.linkedin.com/in/bruce-retzsch-1917166/
Bruce Retzsch established the firm of RLC Architects in Boca Raton, Florida, serving as its managing principal and principal urban designer for more than 30 years until being acquired by IBI Group in 2022. The firm is recognized for superior architectural design and planning services in the multi-family, mixed-use, retail, office and distribution/logistics markets in South Florida, and is the recipient of numerous AIA design awards. Mr. Retzsch is an active member of AIA, serving as the 2022 Palm Beach AIA president and recipient of the component’s 2018 Gold Medal. He is also involved in many industry organizations, including ULI, NAIOP and CIASF, and volunteer activities with the City of Boca Raton, Boca Raton Community Church, and the National MS Society. A graduate of the University of Illinois, Bruce holds a Bachelor of Science in Architectural Studies and a Master of Architecture in Urban Design.
#North America# #Southeast#
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Welland Sin

Associate Director | Practice Lead, Architecture
Toronto, ON

Welland Sin
#Associate Director | Practice Lead, Architecture# #All# #Architecture# #Bus Rapid Transit# #Transportation# #BRT# ## #Light Rail Transit# #Transportation# #LRT# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Rail# #Transportation# ## #Subject Matter Expert# #Transit Facilities# #Transportation# ##
Toronto, Ontario, Canada
Welland is an architect with over 10 years of experience in major public transportation projects. Prior to joining IBI Group, Welland gained a diverse background in architecture, graduating from McGill University and working at firms in both Toronto and Montreal. Within IBI Group’s Transit Architecture Studio, Welland has played a key role on projects in Israel, Canada and the United States. Working in both the Tel Aviv and Toronto offices has given Welland a global perspective on the practice, gaining firsthand experience with unique design constraints and diverse construction methods. With local experience in multiple jurisdictions, Welland applies his skills as a team leader and designer to all phases of the project.
#North America#
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Tapas Dutta

Associate Director | Practice Lead, Transportation Engineering
Irvine, CA

Tapas Dutta
#Associate Director | Practice Lead, Transportation Engineering# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Municipal Infrastructure# #Civil Infrastructure# ## #Planning & Urban Design# #Placemaking# ## #Project / Programme Management# #Traffic Engineering# #Transportation# #Traffic Management# ## #Transportation# #Transportation Engineering# #Transportation# ##
Irvine, California,
https://www.linkedin.com/in/duttatapas
Tapas Dutta has over 30 years of experience in civil, transportation and traffic engineering, with a focus on the planning, design and management of major roadway and highway projects; as wells as rail/transit projects and site engineering. His diverse and extensive background working for both the public (Caltrans District 7 and Program Management for the City of Industry) and private sectors gives him solid knowledge of the design and management of a variety of projects from preliminary engineering through final plans, specifications, and estimates (PS&E) and design support during construction.
#North America#
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Doug Rodger

Studio Associate Director
Glasgow, UK

Doug Rodger
#Studio Associate Director# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Data Analytics# #Design Build# #Engineering# #Green# #Leader# #Maintenance Facilities# #Transportation# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Multi-Modal Transportation# #Transportation# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Operations Centre# #Transportation# ## #Parking# #Project / Programme Management# #Revenue / Tolling# #Transportation# ## #Software as a Service# #SaaS# ## #Systems# #Systems Engineering# #Systems# ## #Systems Integration# #Systems# ## #Traffic Engineering# #Transportation# #Traffic Management# ## #Traffic Management# #Transportation# ## #Transit Facilities# #Transportation# ## #Transit Management# #Transportation# ## #Transit Oriented Development# #TOD# ## #Transit Technology# #Transportation# #ITS# #Intelligent Transportation Systems# ## #Transportation# #Transportation Engineering# #Transportation# ## #Traveller Information# #Transportation# #511# #ATIS# #Advanced Traveller Information System# ## #UK Regional# #Wayfinding & Signage#
Glasgow, United Kingdom,
https://www.linkedin.com/in/douglas-rodger-74b8a516/
Doug Rodger has over 15 years of experience in the field of information and communication technology, with a specialization in international ITS consultancy and project management. He has developed and delivered a wide range of innovative technology and ITS solutions for a number of high profile clients, improving network monitoring and management, expanding and enhancing travel and traffic information and developing national policy. He has extensive knowledge of major ITS system fundamentals covering analysis, design, specification, procurement, development, implementation and operation. With a comprehensive technical background and excellent, communication and organisational skills he is experienced in effectively managing teams and is responsible for managing IBI Group’s consultants in Scotland. Doug holds a first class Bachelor of Engineering (Hons) degree in Electrical and Electronic Engineering and is PRINCE2 accredited.
#United Kingdom#
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Nicolas Al Nakhl

Associate - Manager, Buildings Projects
Toronto West, ON

Nicolas Al Nakhl
#Associate - Manager, Buildings Projects# #Airports# #Transportation# ## #All# #Bus Rapid Transit# #Transportation# #BRT# ## #Civic & Government# #Institution# ## #Civil Infrastructure# #Commercial# #Data Centre# #Commercial# #Office# ## #Design Build# #Development Engineering# #Electrical Engineering# #Energy Solutions# #Entertainment Centre# #Commercial# ## #Heritage / Historic Preservation# #Hotels & Resorts# #Commercial# #Hospitality# ## #Industrial# #Living+# #Residential# ## #Maintenance Facilities# #Transportation# ## #Master Planning# #Placemaking# #Planning & Urban Design# ## #Mixed Use# #Commercial# ## #Mobility Hub# #Transportation# ## #Mobility+# #Transportation# ## #Municipal Infrastructure# #Civil Infrastructure# ## #Office# #Commercial# ## #Operations Centre# #Transportation# ## #Parking# #Policy & Design Guidelines# #Project / Programme Management# #Research & Development# #Retail# #Commercial# ## #Smart Cities# #Solar# #Energy Solutions# ## #Strategic Planning# #Systems# #Systems Integration# #Systems# ## #Transportation# #Transportation Planning# #Transportation# ## #Water / Wastewater# #Industrial# ## #Water Resources Management# #Industrial# ##
Toronto West, Ontario, Canada
https://www.linkedin.com/in/nicolas-al-nakhl-81236323/
A little bit of water can save a human's life but a little bit of electricity can kill it.
Nicolas has a unique blend of international experience in multi-discipline (electrical, mechanical, civil, structural) engineering, construction, contracts and project management. He has 27 years of engineering and management experience in power, oil, gas, utilities and asset management, renewable energy, infrastructure, ICI, and land development; completing tenth of projects worth more than $10 billion US. Nicolas is educated in electrical power engineering with IT enterprise software knowledge to support experience. He is fluent in English, French and Arabic, and is effective in communicating with all levels from executive management to field personnel. He is also experienced in Microsoft Office suite of applications, as well as enterprise software such as GIS and CMMS. Nicolas is proficient in Bechtel’s Contracts formulation and management, FIDIC suite of contracts, and CCDCs. He has a good track record in achieving results and objectives, while spearheading teamwork, collaboration, and cooperation.
#North America#
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