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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 2,600 difference makers is IBI’s Leadership team, setting out a compelling vision and guiding IBI Group towards the future.

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Drummond Hassan

Director | Sr. Practice Lead, Architecture
Toronto, ON

Drummond Hassan
#Director | Sr. Practice Lead, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Project / Programme Management# #Residential# #Retail# #Commercial# ## #Subject Matter Expert#
Toronto, Ontario, Canada

With over 40 years of experience, Drummond Hassan’s portfolio has ranged from residential, office/manufacturing, commercial and urban design projects. He is a Registered Architect that has received a Governor General’s Award for Residential Design, the Mississauga Urban Design Award and the Financial Post Design Effectiveness Award. He is currently leading a number of high-rise residential projects across the GTHA, collaborating with various offices in the Region as well as retail projects including the LCBO program and Holt Renfrew.

Prior to joining IBI Group, Drummond Hassan was affiliated with architectural firms in London, England and Glasgow, Scotland. He received a B.Sc (Hon) and a B.Arch from Strathclyde University Department of Architecture and Building Science in Scotland.

#North America#
Lynn Lindley

Studio Associate
Brighton, UK

Lynn Lindley
#Studio Associate# #Acute Care# #Healthcare# ## #All# #Ambulatory Care# #Healthcare# ## #Design Build# #Education# #School# ## #Healthcare# #Higher Education# #School# #Education# ## #Interiors# #Interior Design# ## #Mental Health Care# #Healthcare# ## #Project / Programme Management# #Research & Development# #Subject Matter Expert# #UK Regional#
Brighton, United Kingdom, Europe

Lynn is the UK Interior Designer Lead and studio Associate with a wealth of design experience, principally in healthcare and education. She has extensive knowledge designing specialist interiors, specifically within the field of mental health, senior care and dementia.

With a profound understanding of the psychological and emotional impact colour, texture and light can have on our health and wellbeing, Lynn strives to produce dynamic, supportive and therapeutic environments that provide optimal levels of therapy, care, and treatment.

Working closely with the client group, she is highly skilled at communicating ideas and providing inspiration and innovation through design workshops and user meetings. Lynn is experienced in developing effective art and wayfinding strategies, and producing signage design and brand identity as an intrinsic part of the design proposal.

Passionate about research and innovation, Lynn collaborates with industry experts to improve and develop new products and design solutions resulting in a number of award-winning interiors. She has contributed to publications and presented at conferences on designing for dementia.

#Europe#
John Baker

Associate | Manager, Structural Engineering
Raleigh, NC

John Baker
#Associate | Manager, Structural Engineering# #All# #Civic & Government# #Institution# ## #Civil Infrastructure# #Engineering# #Industrial# #Retail# #Commercial# ## #Structural Engineering# #Water / Wastewater# #Industrial# ##
Raleigh, North Carolina, United States of America

John Baker has 25 years of experience in structural engineering design and whether performing the design himself or supervising a structural engineer from his department, John is closely involved in the design process. He has extensive experience with industrial, institutional, wastewater, commercial, and military projects.

#North America#
Arend Lootsma

Associate | Manager, Municipal Engineering
Waterloo, ON

Arend Lootsma
#Associate | Manager, Municipal Engineering# #Active Transportation# #Transportation# ## #All# #Bridges, Roads & Highways# #Transportation# ## #Brownfield Development# #Development Engineering# ## #Civic & Government# #Institution# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Design Build# #Development Engineering# #Engineering# #Environmental Assessment# #Development Engineering# ## #Policy & Design Guidelines# #Project / Programme Management# #Public Outreach# #Transportation# #Water / Wastewater# #Industrial# ##
Waterloo, Ontario, Canada

Arend Lottsma is responsible for management of municipal infrastructure replacement projects. His duties include ongoing staff management and client liaison during the preparation of engineering designs and contract documents, where he flexes his technical skills in the preparation and review of engineering design and contract documents.

He maintains a consistent presence on the project management front, from coordinating utilities, regulatory agencies and municipalities through to contract administration and project coordination during the construction phase ensuring smooth transitions through the project lifecycle.

Since joining the firm upon graduation from the University of Waterloo, Arend has participated in a number of high-profile local projects within the urban downtown areas of Kitchener (King Street, Young Street, College Street, Otto Street and Water Street) and Hespeler Village (Cambridge).

Douglas W. Stewart

Associate | Manager, Planning
Waterloo, ON

Douglas W. Stewart
#Associate | Manager, Planning# #All# #Brownfield Development# #Development Engineering# ## #High Rise Residential# #Residential# ## #Land Use Planning# #Planning & Urban Design# ## #Low Rise Residential# #Residential# ## #Master Planning# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Planning & Urban Design# #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.

Tom Tsaktsiris

Associate | Manager, Architecture
Toronto, ON

Tom Tsaktsiris
#Associate | Manager, Architecture# #All# #Architecture# #High Rise Residential# #Residential# ## #Hospitality# #Commercial# ## #Hotels & Resorts# #Commercial# #Hospitality# ## #Living+# #Residential# ## #Mixed Use# #Commercial# ## #Project / Programme Management# #Residential# #Sustainability & Environmental Management# #Green# ##
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.

Sandra Hayman

Office Lead, London, ON
London, ON

Sandra Hayman
#Office Lead, London, ON# #All# #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Municipal Services# #Civil Infrastructure# ## #Transportation# #Water Resources Management# #Industrial# ##
London, Ontario, Canada

Sandra Hayman has over 30 years of experience in the civil consulting field in southwestern Ontario. Her areas of expertise are water resources stormwater management and municipal servicing design. Her experience brings a level of due diligence to project designs, ensuring they not only meet provincial and municipal requirements but timelines and budgets as well.Sandra was the Senior Design Engineer/Project Manager for the Riverside Drive reconstruction project in London, Ontario and is currently wrapping design for the Pincombe Drain Stormwater Management Facility.

#North America#
Eric Czerniak

Associate | Manager, Buildings Projects
Toronto West, ON

Eric Czerniak
#Associate | Manager, Buildings Projects# #All# #Design Build# #Energy# #Engineering# #Industrial# #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#
John Perks, MBA, P.Eng.

Associate Director | Practice Lead, Infrastructure
Waterloo, ON

John Perks, MBA, P.Eng.
#Associate Director | Practice Lead, Infrastructure# #All# #Bridges, Roads & Highways# #Transportation# ## #Civil Engineering# #Civil Infrastructure# ## #Civil Infrastructure# #Development Engineering# #Engineering# #Environmental Assessment# #Development Engineering# ## #Municipal Services# #Civil Infrastructure# ## #Water / Wastewater# #Industrial# ##
Waterloo, Ontario, Canada
https://www.linkedin.com/in/john-torrance-perks-mba-p-eng-2349b1b/

John Perks is designated by PEO as a Consulting Engineer (Ontario) and holds a Masters degree in Business Administration. He has over 25 years of experience as a project manager and senior engineer for a diversity of transportation and municipal projects involving feasibility studies, Class Environmental Assessments, functional, preliminary and final designs, contract preparation, and construction administration and inspection.

His project work includes both new and reconstruction of existing civil infrastructure. This broad experience across many municipalities has provided John with the ability to large, manage multidisciplinary projects and understand the complexities of public, political, approval agency and municipal pressures and requirements on a project.

John is also one of the few Region of Waterloo approved acoustical engineers and has completed the MOE noise assessment course as well as numerous seminars with expertise acoustical studies for both road and rail transportation, and stationary noise sources.

#North America#
Ross Fleith

Associate - Manager, Architecture
Toronto West, ON

Ross Fleith
#Associate - Manager, Architecture# #Airports# #Transportation# ## #All# #Architecture# #Data Centre# #Commercial# #Office# ## #Energy# #Industrial# #Light Rail Transit# #Transportation# #LRT# ## #Living+# #Residential# ## #Low Rise Residential# #Residential# ## #Mobility+# #Transportation# ## #Office# #Commercial# ## #P3# #Retail# #Commercial# ## #Transit Facilities# #Transportation# ## #Transportation#
Toronto West, Ontario, Canada
https://www.linkedin.com/in/rossanofleith/

Ross is an Architecture and Urban Planning alumnus from UFPR – the Federal Brazilian University in Parana, the state in Brazil where Ross was born and raised, and where he worked as a Licensed Architect for 23 years before moving to Canada in 2010. He joined IBI Group in 2014 and is currently an Associate – Manager, Architecture, working on several jobs within the infrastructure, industrial and transportation sectors. He has recently worked as the architectural lead for the new Metrolinx Go Transit Control Centre in Oakville, and for the EMSF, the maintenance and storage facility for the Eglinton LRT.

Lamberto Smigliani

Associate | Manager, Architecture
Southfield, MI

Lamberto Smigliani
#Associate | Manager, Architecture# #All# #Architecture# #Industrial# #Manufacturing# #Industrial# ##
Southfield, Michigan, United States of America

As an Architect, Lamberto Smigliani is responsible for design and development including organizing and maintaining administrative controls from inception to completion of the programs. He is also responsible for staffing and implementation of continuing education in the architectural discipline. Lamberto draws from both domestic and international experience in architectural operations and development.

Lamberto serves as chairman of a local planning commission and is active in local governance and community activities.

Barbara Sheehan

Associate | Manager, Landscape Architecture
Edmonton, AB

Barbara Sheehan
#Associate | Manager, Landscape Architecture# #All# #Civic & Government# #Institution# ## #Community / Recreational Facilities# #Institution# #Civic & Government# ## #Education# #School# ## #Healthcare# #K-12 Education# #School# #Education# ## #Landscape Architecture# #Light Rail Transit# #Transportation# #LRT# ## #Low Rise Residential# #Residential# ## #Master Planning# #Planning & Urban Design# ## #Mid Rise Residential# #Residential# ## #Mixed Use# #Commercial# ## #P3# #Parks# #Institution# #Civic & Government# ## #Placemaking# #Planning & Urban Design# ## #Planning & Urban Design# #Public Outreach# #Retail# #Commercial# ## #Seniors Communities# #Residential# ## #Spiritual Places# #Institution# #Civic & Government# #Church# ## #Subject Matter Expert# #Transit Facilities# #Transportation# ##
Edmonton, Alberta, Canada
https://www.linkedin.com/in/barbara-sheehan-58b85b48/

Barbara is an Associate and Senior Landscape Architect in the Edmonton office, with over 13 years of experience in a diverse range of innovative and complex projects focused on urban design, recreational spaces, parks, transit corridors, place-making and master planning, for both private and public sector clients. She received her professional credentials in 2011 (AALA, CSLA).

Barbara is a skilled communicator and focused team leader, leading projects successfully from initiation to completion. Barbara was with IBI initially from 2005 to 2012, and returned in 2016 to rejoin the landscape architecture team. Since her return to IBI, she has played a leading role in the landscape architecture and sustainable urban integration elements for Edmonton’s Valley Line LRT project as well as other significant public realm projects.

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