[fa icon="plus-square"] Brian Butler - Co-Founder and Building Whisperer
brian.jpgBrian has spent over fifteen years performing hundreds of residential deep energy retrofits. His previous firm, Boston Green Building, was a key contributor to National Grid’s “Deep Energy Retrofit” pilot program. A percussionist and graduate of the Berklee School of Music, Brian can be heard at many of Boston’s best known venues gigging with popular area musicians. Often, he can be seen cycling to meetings in Cambridge and Boston.
[fa icon="plus-square"] Kenn Butler - Co-Founder and Evangelist
Kenn_Butler.pngKenn is Founder and EnerScore's lead evangelist. He is often found presenting to organizations such as the Massachusetts Clean Energy Center or WPI’s Tech Advisor’s Network, working on Enerscore’s web architecture, or managing the company’s developers at the Cambridge Innovation Center. Kenn is fluent in Japanese.
[fa icon="plus-square"] Tom Witkin - Co-Founder and Chief Marketing Jedi
tom.jpgEnerScore is Tom's third stint in clean energy. Recently, he managed marketing and applications development efforts at the Mass. Department of Energy Resources. Previously, Tom served as VP of Marketing of SiteScape, a web collaboration company that was acquired by Novell, Inc., and was a co-founder of Atlanta Express Airlines, which he helped take public. A graduate of Harvard College and the Stanford Graduate School of Business, he can be seen on warm weekends flying gliders over Central Massachusetts.


[fa icon="plus-square"] Keith Burrows - Founder of Resynergy Systems
keith_burrows_headshot.pngKeith is Founder of Resynergy Systems, which implements operational energy rating systems for homes, and provides energy and information technology consulting services. Previously, he was Vice President and Information Technology Manager at State Street Bank, where he managed a 30+ person technical team. Before that,Keith as Lead Software Developer and Manager for Scudder Kemper / Deutsche Asset Management. His undergraduate degree is from UMass Amherst. He has an MS in computer science from Boston University, and a Master of Deisgn Studies, Sustainable Design, from Boston Architectural College.
[fa icon="plus-square"] Alex Coon - Founder and CEO of Piper Crane
Alex_Coon_headshot.jpgAlex is a long-time real estate professional who opened up the New England-area market for Redfin. As the first Boston employee, he grew the market to over 80 agents and better than $2B in sales. Today, Alex is Founder and CEO of Piper Crane, a new Brooklyn and NYC based real estate brokerage specializing in interesting people and properties. The firm is part of the Interplay Ventures family of businesses.
[fa icon="plus-square"] Steve Weikal - Head of Industry Relations, MIT Center for Real Estate

Steve is Head of Industry Relations at the MIT Center for Real Estate, responsible for managing the Center's global network of industry partners and over 1000 alumni of MIT’s Master’s in Real Estate Development (MSRED) program in 43 countries. He is also a lecturer and researcher, focused on innovative new technology and business models that disrupt the traditional ways of developing, transacting and managing real estate.