Board of Directors

Stephanie Zubriski – Chair


Stephanie is a University of Manitoba Biosystems Engineering graduate and holds a M.Sc. from the same department. While completing her degrees, she worked with Building Alternative Inc. and specialized in alternative residential design, including strawbale, stackwall, and timber frame construction.

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Later, as a sustainability consultant with Integrated Designs Inc., she worked with multidisciplinary teams to deliver high-performance projects certified under various green building rating systems or aligned with owner initiated sustainability best-practices.

Now with Crosier Kilgour & Partners Ltd., Stephanie has returned to design, focusing on building science and building envelope remediation. With 15+ years’ experience in the sustainability consulting and engineering fields, she is dedicated to the continual improvement of the built environment, specifically adaptations for sustainability, energy efficiency, and durability in our challenging local climate.

Stephanie brings experience with building envelope design and remediation, sustainable building design, and familiarity with green building rating systems, to the Sustainability Manitoba team.

Curtis Hull – Vice Chair

Curt Hull has been project manager with Climate Change Connection and the Manitoba Eco-Network since 2007.
Curt is a professional engineer.

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Prior to his involvement in climate change, he worked for 25 years as Director of Quality Systems with a Winnipeg-based electronics design and manufacturing company. While there, he helped the company grow from 12 people in a small, local facility to an international concern with manufacturing and offices in 5 countries, and 1000+ employees.
In 2010, Curt was trained by Al Gore in Nashville and became part of the global Climate Reality Project. He continues to work with that project internationally.
Locally, Curt is working with many groups to move us to a fossil-fuel free future. He was one of the founders of Bike Winnipeg as well as and Transition Winnipeg. Recently, he has been doing consulting work on sustainability with northern First Nations.

Cindy Choy – Secretary

Cindy worked in architectural design, production and project management for 15 years before transitioning to provincial policy and program development where she was Director of the Manitoba Green Building Program and focussed on advancing sustainability and green buildings. .


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Cindy has a wide range of building related areas including architectural design, production and construction, project management, and provincial green building policy and program development. She currently works as Planning Officer for her family’s small home development company.

In these various roles, she has and continues to volunteer in sustainability and building-related committees, boards and working groups including Manitoba Round Table for Sustainable Development, Bee Better Manitoba and the Building Energy Technology Access Center at Red River College. She was a founding member of Manitoba’s Chapter of the Canada Green Building Council which later evolved into Sustainable Building Manitoba.


Alex Fleming – Treasurer

Following equal parts of energy auditing on Manitoba’s “Energy Bus” and practicing as an energy engineer with EJ Faraci and Associates, Alex established Vancouver-based Demand Side Energy Consultants in 1990. He provided demand side management technical and program support to more than 16 utilities under the Power Smart license across Canada and abroad – then in 2001 he was given the opportunity to open Demand Side Energy’s Winnipeg office.


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Alex joined the Manitoba Energy Management Task Force in 2001, chairing the rebranded “Building Energy Management Manitoba” until 2009.  He continued volunteering as founding chair and enthusiast of the Better Buildings Conference for nine years, – culminating in the 2008 Better Buildings Conference featuring Justin Trudeau’s environmental education gala event.

Alex continues to steer Demand Side Energy into its 4th decade of energy and emission modelling, energy auditing, facility commissioning and measurement and verification across Canada and abroad.  Circling back to geothermal heat-pump application engineering, he hopes to add experience and continued passion for net zero buildings, through energy modelling, energy efficiency and optimized geothermal design.

Ayda Allahgholipour

Ayda is currently working at SMS Engineering as an energy modeler, She is passionate about sustainable designing and providing clean power for district energy. After a few years in professional practice, she returned to university to enhance her knowledge and skills. During her previous role, she applied renewable energy resources to provide power in microgrids.

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She also completed a NSERC Fellowship where she designed in-floor heating systems for homes in remote communities. As a research assistant at the University of Manitoba, Ayda developed a detailed model to simulate a new, high efficiency small-scale thermodynamic combined heat and power cycle that could serve houses in remote communities. Her passions have led her to participate in LEED which has driven her attention to green building design. Her experiences with renewable energy resources have combined to affirm a strong commitment to the design of economically efficient green buildings..

Aynsley Dueck

Aynsley Dueck is currently working at her family business, DUXTON Windows & Doors, with her father Al Dueck.

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She has been with the company for 8 years, starting in Marketing, then growing into a Continuous Improvement role, and is currently the Operations Manager. Aynsley has a strong business background, having grown up around the start-up company, and having a Bachelor of Education from the I.H. Asper School of Business.  She is very passionate about high performance building envelopes and is eager to help spread the word that building or renovating sustainably is achievable, and creates superior living spaces.

Aynsley was on the board for Young Construction Leaders of Manitoba (YCLM), which is a subset of Winnipeg Construction Association, for almost 5 years in various positions, most recently as Vice Chair.

Daniel Lepp Friesen

Daniel Lepp Friesen, owner and principal of DLF Consulting, works with clients to provide sustainable development solutions in renewable energy, business planning and community development.

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Several clients over the past 14 years include: government (Manitoba); governmental organizations (First Peoples Economic Growth Fund, Manitoba Hydro); non-profit organizations (World Renew); and for-profit businesses (Myera). Services to these and other clients have included: feasibility assessments; grant proposals; organizational development; program and business planning and analysis; project management; and international development consulting.

Daniel’s work in sustainability has included advocacy (50 by ’30), energy conservation, recycling and renewable energy technologies (solar, biomass). He has also been involved with a variety of sustainable building methods including passive and active solar, tire houses, district energy systems and integration of thermal mass.

Daniel looks forward to involvement on the SBM Board to “Flatten the Climate Curve”! 
aka awareness and implementation of greater sustainability in our Province.

Dudley Thompson

Dudley is Principle in Dudley Thompson Consultancy – a consulting firm focusing on Sustainable Community, Regenerative Architecture, Advocacy, Stakeholder Engagement and Climate Change Mitigation.

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He works in Winnipeg for a variety of Corporate and Not-for-Profit clients. He was the founding principal of Prairie Architects Inc. in 1981 and has practiced as an architect in Manitoba since 1976. He holds a Bachelor of Environmental Studies degree from the University of Manitoba and a graduate degree in Architecture from the University of Toronto. He transferred Prairie Architects in 2011 to four employees.

Dudley nurtured Prairie as an architectural firm that was committed at its roots to sustainability, stakeholder participation in design and building community. Prairie demonstrated this commitment to Sustainable Buildings with an integrated staff of building scientists and 90% of staff members that are LEED accredited. Prairie certified over 30 LEED buildings under Dudley’s leadership including Manitoba’s first LEED GOLD Building, Mountain Equipment Co-op, and several LEED Platinum projects including Manitoba Hydro Place and Amber Trails School. In his 35 years of practice, Dudley guided Prairie Architects Inc. as an Integrated Design Process Facilitator on numerous projects, in the regeneration of dozens of historic buildings, the renewal of many urban sites, the creation of many First Nation projects as well as a wide variety of residential, community and educational projects. Mr. Thompson recently served on the Board of Directors of Manitoba Hydro and was chairperson of the non-profit Winnipeg Housing and Rehab Corporation. In 2014, he received a Lifetime Achievement Award from Canada Green Building Council, Manitoba Chapter,  “For his visionary leadership, and his outstanding personal and professional commitment to advancing sustainable building practices in Manitoba.” He also received a Fellowship in the Royal Architectural Institute of Canada in 2016.  He lives in Winnipeg with his wife and two sons.

Erin Crawley

Erin holds an undergraduate degree in Architecture from the University of Manitoba, as well as a Masters degree in Sustainable Energy from Carleton University. Erin is an accredited LEED AP BD+C, and a Fitwel Ambassador.

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Erin currently works as a Senior Sustainability Analyst with EQ Building Performance. She operates primarily as a LEED Consultant for the Gordie Howe International Bridge port of entry facilities under construction between Ontario and Michigan. Erin also works as a Sustainability Consultant on a number of other developments, coordinating both LEED and compliance with the Toronto Green Standard.

Previously Erin worked as a Building Performance Consultant in Ottawa, as well as a Coordinator and Technical Writer for Sustainable Buildings Canada. Erin also spent time in the Greenhouse Gas Reporting Program with Environment and Climate Change Canada contributing to Canada’s submission to the UN Framework Convention on Climate Change.

Grant Walkin

Grant is an active building envelope and structural glass engineer, and certified passive house designer (CPHD) specializing in high performance builds spanning between single family homes to commercial buildings.

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He is a professional engineer (P.Eng.) holding a bachelors of engineering degree (B.Sc.) from the University of Manitoba and a masters of engineering degree (M.Sc.) from the University of Bath (UK).  Grant’s hands on approach allows practical strategies to be implemented in design and construction, completing his own self-build high performance home when living in Toronto.  Now after eight years he has returned back to Winnipeg working within the building envelope group at Crosier Kilgour & Partners.  Grant is keen on advocating for green energy systems, comfortable buildings with healthy indoor air quality, and durable designs using high performance materials.



James Nostedt

Jim Nostedt, P. Eng, is President of SEEFAR Building Analytics, focusing on improving the sustainability of new and existing buildings.

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The SEEFAR-Valuation program compares the life cycle cost or the Total Cost of Building Ownership (TCBO) of code-built and existing buildings to high-performance buildings. Our analysis shows that high-performance buildings have a 30 to 40% lower TCBO than code or existing buildings.

Jim has a Bachelor of Science in Mechanical Engineering (1976) degree from the University of Manitoba.

Jason Miller

Jason Miller, Jason Miller owner operator Jay-Sam contracting.

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In his time with Habitat for Humanity, he was responsible for the Construction program, Volunteer program, Safety and Support services. One of his many accomplishments was the planning and execution of 5 Net Zero homes.

Collectively he has over 25 years of diverse experience in both the private and public sector. He has owned my own Business for 18 years focusing on residential and light duty construction. He has taught for Red River College and Manitoba Hydro in the construction trade and safety sector.

Currently he sits on the Local Urban District (LUD) council of Landmark for the RM of Tache; he is on his 3rd term, being elected now for a total of 9 years thus far. In addition to that, he sits on the Development Committee for the RM of Tache.

Norman Garcia

Norman Garcia has 24 years of experience in building codes and building science.  Norman has been personally trained by former US Vice President Al Gore and The Climate Reality Project to serve as a volunteer Climate Reality Leader. Norman has a Bachelor of Science degree in Civil Engineering and has a LEED AP BD+C designation. Norman is also a current Voting Member of the Standing Committee on Housing and Small Buildings, Canadian Commission on Building and Fire Codes.


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He has a Bachelor of Science Degree in Civil Engineering and has participated in several working groups, such as:

  • Federal Provincial Territorial Energy Codes Implementation Group (FPTECIG). Ottawa, 2019-2020
  • Manitoba Green Building Implementation Working Group. Manitoba, 2017-2020
  • Design of Public Spaces Standard. Manitoba, 2019-2020
  • Climate & Green Plan Sector Working Group. Manitoba, 2019
  • Manitoba Growth Enterprise and Trade Accessibility Working Group. Manitoba, 2019
  • Registration Committee. Engineers Geoscientists Manitoba, 2019-2020
  • CANULC-S538, Single and Multiple Station Carbon Monoxide Alarm for Non-residential Applications. Ontario, 2018-2020
  • Provincial/Territorial Policy Advisory Committee on Codes (PTPACC). Ottawa, 2018

Sustainable living is his passion. Norman is fortunate that his engineering background and interest in mindfulness meditation provide him with tools and inspiration to contribute in the green building community. His work on the Manitoba Energy Code for Buildings aligns with that of Sustainable Buildings Manitoba and he would like to serve the organization, as he is mentally and physically able to attend all Board meetings.

Peter Kidd

Peter comes with decades of participation in building sustainably, long before the early days of LEED, but LEED was a tangible development. He is an engineer, building enclosure and alternatives being a main focus.

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Peter currently works as a Building Enclosure Engineer at Efficiency Manitoba.

Tanya Palson

Tanya is currently the Manager of Communications and Business Development for Manitoba Building Trades and the newly opened Manitoba Building Trades Institute. In this role she works with all classifications of skilled trade professionals – on the tools workers who are a critical component of sustainable building practices. Sustainable construction is a key value not only for MBT, but a personal value and interest as well.

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Her education background is indigenous education policy and community development, as well as marketing and business communications. Now she spends most of my time working in stakeholder engagement and managing programming and workforce development at MBTI. When not in the office, she is chasing her toddler and trying to leash train her puppy!