Empowering entrepreneurs with the knowledge, capital and connections critical to creating successful new clean tech companies.

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Latest News & Blogs

Sacramento Startup Profile: Arya Rashid Of Tenkiv

Clean water, most of us take it for granted. But 2.5 billion people across the globe lack access to clean water. In places like Afghanistan, lack of access to water sanitation leads to a 1 in 5 child mortality rate. But a local Sacramento clean tech startup has taken...

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Interview with Thomas Hall of CleanStart

I had a chance this morning after today’s 1 Million Cups event to sit down with Thomas Hall, Executive Director of CleanStart, and chat about the CleanStart program. CleanStart is accelerating the development of clean technology ventures within the Greater Sacramento...

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CleanStart Relaunches

As reported by The Sacramento Business Journal’s Mark Anderson, CleanStart, a former program of the now defunct SARTA, has relaunched as an independent nonprofit to support green technology companies and startups. The nonprofit will focus on supporting businesses and...

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Measuring Up: eze System Tech Hits the Charts

The neon sign flickered on when the doughnuts were ready, and passersby would flock to the promise the electric words made. The doughnut shop, though, wanted more customers than just what their sign drew in.

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About CleanStart

CleanStart was founded in 2005 as a nonprofit organization designed to accelerate the development of clean technology ventures within the Northern California region. Our mission is to empower entrepreneurs with the knowledge, capital and connections that are critical to creating a successful new business. We do this by:

CONNECTING the Northern California region’s clean tech community through The Sacramento Clean Tech Showcase, Clean Tech Executive forums.

PROMOTING the region’s clean tech economy in the annual CleanStart Progress Report, on social media & news outlets and at statewide and national events.

EDUCATING Clean Tech business leaders through classes and the Entrepreneurs Showcase sponsored by Velocity Venture Capital.

CleanStart Companies

Our Team

Gary Simon, Chairman

A seasoned energy executive and entrepreneur with 45 years of experience in business, government, and non-profits.

Mark Henwood, Board Member

CEO of Henwood Associates, Inc., an owner and operator of hydroelectric facilities in California.  Mark also leads Powersoft, LLC, a SaaS provider and was a co-founder of CleanStart with Gary Simon.

Ken Bossung, Board Member

A proven sales executive and entrepreneur with over 30 years of experience in building high-performance sales teams and business development strategy.

Benjamin Finkelor, Board Member


Thomas Hall, Executive Director

Thomas has a strong background in supporting small businesses, leadership, financial management and is proficient in working with nonprofits. Thomas has a passion for sustainability and a commitment to supporting non-profits in the region.

Madeleine Intern

Madeleine Jones, Intern

Madeleine is is a second-year Environmental Policy student at UC Davis. She is excited to be working with CleanStart to help Sacramento become a clean tech hub.

Terry Chen, Intern

Terry is a senior year Economics student at UC Davis. He is enthusiastic to help promote clean tech in the Sacramento region.

Sydney Cooper, Intern

Sydney is a fourth year applied statistics major at UC Davis and expects to graduate this spring. Sydney is eager to help Northern California be more sustainable.

Upcoming Events

  1. Ramping Up Revenue

    April 4 @ 1:00 pm - 5:00 pm
  2. Start-up Nation Tech Fair

    April 27 @ 5:00 pm - 8:00 pm
  3. Start-Up Fair

    May 5 @ 10:00 am - 12:00 pm

Contact Us

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801 K Street, 28th Floor
Sacramento, CA 95814

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