cleantechinsidersis a research, analyst, and consulting firm focused on helping grow innovative companies and non-profits in the clean technology sector who are on a mission to make a difference.

We are passionate about clean technology, the benefits it delivers to us all, and the challenges entrepreneurs face in taking this technology to market. Our clients benefit from our decades of experience building sales and marketing strategies for leading B2B technology, software, and solutions to grow, attract investment, and deliver their change in the world.

market research

Clean technology markets and vendors categories are in their early stages. We use the experience gained at leading industry research firms to help you understand the market and its buyers.

market education

By definition, innovation means something new to the market that buyers are unfamiliar with buying. We can help you educate the market to drive awareness and demand.

market advantage

Every innovative company must make the leap from selling to eager early adopters to buyers in a market big enough to fuel its growth. We can help create this advantage.

Jeff Clark, Founder, Principal Analyst



Jeff Clark is an experienced, creative marketing executive who has run global marketing teams for profitable technology companies, from start-ups to enterprise industry leaders. 

Jeff currently delivers consulting and advisory services to IT and clean tech companies, including PowerIT, iManage, Flagship Networks, Bloomcradle, and Xpanxion. He also volunteers on climate change policy initiatives with organizations such as Climate Xchange, Elders Climate Action Legislative Working Group, and Citizens Climate Lobby.

Jeff’s passion for cleantech came early in his career, with his first role promoting solar energy at the New Hampshire Governor’s Council on Energy and as Executive Director of the NH Solar Energy Association.

Prior to his work at CleanTech Insiders, Jeff was the principal analyst for Marketing Operations at Forrester Research, where he helped clients improve their planning and execution processes, including the adoption of integrated campaign strategies, technology optimization, and agile marketing to better align teams and improve outcomes.

Jeff is a sought-after writer and speaker and regularly contributes to the podcast and blog at RockstarCMO.com.

More about Jeff Clark’s experience can be found on LinkedIn.