Tom Williard, Principal and co-founder of Sage Renewables, has worked in the renewable energy field since 2003. Prior to founding Sage, Tom was a Principal at Sustainergy Systems for four years and at System Design for two years. He also co-founded Solmetric, Inc., in 2005 where he was Director of Research and Development. Tom spent twenty years in the electronics industry as a Senior Hardware Engineer and Senior Software Engineer, Senior Technologist, and in engineering management. He worked for a number of imaging and communications companies, most recently Ascend Communications where he was Director of Software Engineering, growing the organization from 26 engineers in Alameda, CA, to over 150 engineers worldwide and helping establish development centers across the United States and in Scotland, England, France, and India. Tom takes an active role in his community and has served on several boards and foundations in Marin County, CA.

David Williard, LEED AP, Principal and co-founder of Sage Renewables, has nine years of experience in the energy and green building industries. David's work has included commercial and residential energy auditing, energy code compliance, green materials specification, renewable energy system design and implementation, greenhouse gas emissions inventory and monitoring, greenhouse gas emissions reduction plans, environmental site assessment, renewable resource assessment, and renewable energy project management. Additionally, David has participated in extensive field projects with an emphasis on environmental assessment and GIS mapping utilizing GPS systems. He has experience coordinating with city and county government agencies and other organizations through his work on the Sonoma County Greenhouse Gas Emissions Inventory and Reduction Plan and subsequent plans for individual cities in the county. In 2005, David founded Sustainergy Systems Consulting & Design, which became Sage Renewables in August 2009. David volunteers his time on numerous community projects, is a volunteer firefighter and a devoted adventurer and surfer.

Brent Johnson, P.E., LEED AP, Principal and co-founder of Sage Renewables, has twelve years of experience as a Civil Engineer encompassing a wide range of project work, including two years with an international consulting firm in Australia. Brent's work has included feasibility studies, conceptual through detailed design of large municipal facilities, construction management, environmental computer modeling, environmental data collection and analysis, and environmental permitting. Through this experience, he has overseen all aspects of project development, from concept to constructed and commissioned facilities, including serving as a construction manager on a $170 million pump station and pipeline project. Brent's recent experience includes energy usage studies, micro-hydro analyses, wind resource assessments, and photovoltaic project development. Brent is passionate about renewable energy and is continually exploring the interconnection of water and energy. He is an avid surfer, traveler and a volunteer firefighter.