Pushing Limits: The Living Building Challenge | January 10, 2013
See All Photos From The EventAbout Our Speakers:
![mark-buehrer](https://www.inspirespeakersseries.com/wp-content/uploads/2015/11/mark-buehrer-475x300.jpg)
Mark Buehrer
Mark Buehrer is the founder and director of 2020 ENGINEERING located in Bellingham, Washington. He is a registered professional civil engineer, author, and inventor with broad experience in engineering design,
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![chris-hellstern](https://www.inspirespeakersseries.com/wp-content/uploads/2015/11/chris-hellstern-475x300.jpg)
Chris Hellstern
Chris Hellstern holds a Masters of Architecture degree from Texas Tech University. His thesis work focused on designing a sustainable elementary school in Seattle that allowed both students and faculty
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![Richard Piacentini](https://www.inspirespeakersseries.com/wp-content/uploads/2013/01/Richard-Piacentini-475x300.jpg)
Richard V. Piacentini
Richard V. Piacentini, executive director of Phipps Conservatory and Botanical Gardens since 1994, is responsible for the construction of the first LEED® certified visitor center in a public garden, the
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![Stacy Smedley](https://www.inspirespeakersseries.com/wp-content/uploads/2015/11/Stacy-Smedley1-475x300.jpg)
Stacy Smedley
Stacy Smedley has a Bachelor of Arts in Architecture from the University of Washington, and 10 years in the architecture profession. Her resume includes the first LEED for Homes Platinum
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