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2020 SIPA Annual Meeting and SelectSIPs EXPO


Aaron Smith

Aaron Smith
Energy and Environmental Building Alliance (EEBA)

Aaron Smith is the CEO of the Energy and Environmental Building Alliance (EEBA) which represents over 1000 builders across North America that are truly the early adopters and innovators in the industry. Aaron has over 20 years experience in home construction, building products, sustainability and non-profit board leadership. He has worked for companies including Kohler, Uponor, ASSA ABLOY as well as startups in Silicon Valley and his own building and remodeling company. Aaron previously served on non-profit Boards for Wolf Ridge Environmental Learning Center, Health Product Declaration Collaborative (HPDC), CT Sustainable Business Council, and co-founded the CT Collaborative – Living Building Challenge.

Aaron completed his undergraduate studies at West Point and St. Could State University and is a 2016 graduate of the Yale University MBA program with a focus in Sustainability. He loves green building and sustainability as well as hockey, hiking, skiing, gardening and spending time with his wife, Jennifer, 3 boys and 4 cats at their home in Minneapolis.


Cristian Barcan

Cristian Barcan
Crossover Sustainability Solutions

Cristian Barcan is the principal and founder of Crossover Sustainability Solutions and renown sustainability leader. He has almost two decades of experience in creating, implementing, and managing sustainability programs worldwide. Cristian has been in various board member and chairman positions at The Sustainability Consortium, Sustainable Brands, Green Building Initiative, and the Vinyl Sustainability Council.

Cristian spent 18 years at BASF where he created and managed a unique and entrepreneurial sustainability service offering (called SET – Applied Sustainability) focused on providing sustainability services to key BASF customers in North America, South America, and Asia Pacific. Cristian took that experience to the US vinyl industry and created a continuous improvement initiative called +Vantage Vinyl. While at the Vinyl Institute, Cristian also established and managed the Vinyl Sustainability Council. Prior to this experience, Cristian was involved for many years in value chain traceability. He is one of the co-authors of the Global Traceability Standards established by GS1 Global in 2004. Cristian is educated in Mathematics and Computer Science.

Devin Perry

Devin Perry
National Association of Home Builders

Experienced Membership Manager with a demonstrated history of working in the association and for-profit sector. Skilled in Membership Acquisition and Retention, Account Management, Sales, and Event Management. Strong operations professional with a Bachelor's degree focused in Sports Management and Marketing from Marshall University.

The National Association of Home Builders (NAHB) strives to protect the American Dream of housing opportunities for all, while working to achieve professional success for its members who build communities, create jobs and strengthen our economy. Each year, NAHB members construct about 80% of the new homes built in the United States. A federation of more than 700 state and local associations, NAHB represents more than 140,000 builder, remodeler, specialty trade, sales and marketing, design, housing finance, and building supply/manufacturing members. Since its inception in the early 1940s, NAHB has served as “the voice of America’s housing industry.” Its primary goals are to ensure that housing is a national priority and that all Americans have access to safe, decent and affordable housing, whether they choose to buy a home or rent.


Mark Hartman

Mark Hartman
City of Phoenix

Mark Hartman is Phoenix's chief sustainability officer, charged to support Phoenix’s continual efforts in becoming a global leader in sustainability. Most recently, in April 2016, Phoenix City Council approved the long term Environmental Goals that include becoming a carbon-neutral city, operating on 100% clean energy, zero waste, a 100-year supply of water, clean air, parks and transit in every neighborhood, and a vibrant local food system.

Mark formerly worked at the City of Vancouver for eight years in sustainability, leading their carbon-neutral buildings strategy and their green building code as well as supporting Vancouver's ambition to become the greenest city in the world by 2020. Mark holds an MBA from Heriot-Watt University and is a LEED accredited professional.


Mark LaLiberte

Mark LaLiberte
Construction Instruction

Mark LaLiberte is the co-founder and president of Construction Instruction. He has dedicated over 30 years to the building industry. Through his lectures, site assistance, Building Better Homes video series and his mobile App, he provides builders, architects and manufacturers with an in-depth look at the current and future state of housing. His work has earned him a Lifetime Achievement Award from the Energy and Environmental Building Alliance (EEBA), where he developed the highly acclaimed Houses that Work lecture series. The HTW Series has been delivered for over 16 years by the Ci team in 100’s of North American cities.

He was the 2013 Building Science co-chair for the Hanley Wood Vision 2020 project and he has provided technical assistance and a voluntary board position to the Cold Climate Housing Research Center in Fairbanks, Alaska for over 10 years. Mark also helped develop the training curriculum for the 2012 Repair Corp Project for Habitat for Humanity that provides assistance to improve existing housing for our Veterans.

He works with various manufacturers to assist in developing products and services for the next phase of efficient homes. Mark is the co-creator of the Ci App and animation studio, which developed the number one mobile App in the construction industry and builds realistic state of the art contextual animations on building science concepts and technical installation practices.


Marlene Imirzian

Marlene Imirzian
Marlene Imirzian & Associates Architects

Marlene Imirzian, FAIA is the founding principal of Marlene Imirzian & Associates Architects with offices in Phoenix, Arizona and Escondido, CA. The firm is known for its design excellence, project performance, and as a leader in integration of sustainable design practices for building. In 2016, the firm was selected as No. 18 of the Top 50 Architecture Firms in the U.S. by Architect Magazine, and repeatedly ranked in the Top 50 for sustainable design. Her work has been published internationally and featured in the books “Desert Architecture”, and “1000x Architecture of the Americas”. In addition to practicing architecture, Marlene is a faculty associate at The Design School, Arizona State University Herberger Institute for Design and the Arts architecture program. She serves as a guest lecturer, a visiting critic at architectural schools, and is active in community improvement. Her work has been awarded numerous design awards including local and regional design awards from the American Institute of Architects. She is the recipient of the 2011 AIA Arizona Architects Medal for excellence in design, and the firm was awarded the 2015 AIA Arizona Firm of the Year. Marlene elevated to Fellow of the AIA in 2013 and she received a Master of Architecture from the University of Michigan.


Nathan Kahre

Nathan Kahre

Nathan Kahre, Business Development Manager With EnergyLogic since December 2019. Before EnergyLogic, Nathan worked for a high-performance builder. That experience prepared him to be a "translator" for these two worlds. Builders and raters operate in similar spheres, but view their work very differently. He especially enjoys helping each side understand each other better, enabling everyone to succeed. Nathan takes every opportunity to take something great and make it even better, whether that is working internally with the team at EnergyLogic or with all the amazing builders along the Front Range.

"My goal is to Build a Better Mousetrap. I am not the person to be content with the status quo and I am always looking for opportunities to improve!"
Nathan Kahre - The EnergyLogic Team

EnergyLogic has developed a team of passionate, intelligent, and talented people that care about the homes they service and the people that they work with.

Field of study: East Tennessee State University - B.S. Construction Engineering Technology; Appalachian State University - M.S. Technology Concentrations in Sustainable Building Design and Construction and Building Science

Hobbies: Nathan loves to cook and is currently working on perfecting his pasta making skills. A perfect Saturday includes good food, a good book, and some time outside.


Steve Mickley

Steve Mickley
American Institute of Building Designers (AIBD)

Steve Mickley is the Executive Director of AIBD and a Certified Professional Building Designer. Prior to his current position, Steve most recently was the Managing Director of SGA Architecture in Palm Beach, FL and spent 10 years as owner of a residential design firm. Steve holds numerous awards, such as AIBD's President's Award and AIBD Designer of the Year and is a member of the AIBD College of Fellows. Steve’s many interests include racing in triathlons and skydiving where he broke a world record by successfully completing 52 skydives from an airplane within 11 hours and 15 minutes, each time packing his own parachute.


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