Company

Jeff Ressler, Chief Executive Officer

Jeff Ressler is Chief Executive Officer of Clean Power Research. In his nearly 15 years at the company, he has overseen the inception of the SolarAnywhere® and WattPlan® software families, and grown PowerClerk® from a nascent, online incentive processing tool into a powerful, general purpose energy program automation solution. A software industry veteran, he has a track record of delivering highly available cloud-based solutions to customers as well as deep experience building effective functional teams across engineering, product management, sales, marketing, business development, support and operations.

Jeff’s career includes stints at both Oracle and Disney in addition to more than 10 years at Microsoft. During his tenure at Microsoft, Jeff served as Director of Product Management for Exchange Server and Lead Product Manager for SQL Server, among other roles. For more than two years, he was the speech manager for Bill Gates, who was Microsoft’s Chairman and Chief Software Architect at the time. Jeff holds a degree in Industrial Engineering from Stanford University.

Learn more about Jeff in his own words in this Suncast interview with Nico Johnson, “From Redmond to the Sun: Why Jeff Ressler Left Microsoft to Focus on Clean Energy.”

Tom Hoff, Founder and Chief Research Officer (CRO)

Tom Hoff is the Founder and Chief Research Officer of Clean Power Research. He’s a pioneer in the science of valuing distributed solar generation, and holds a number of patents in the area of PV fleet power estimation. Tom’s research is proving vital to utilities and ISOs faced with the challenge of maintaining reliability while integrating ever-increasing levels of PV generation on the grid. Tom is the visionary leader of our Research team developing early stage ideas, models and patents leading to our commercial software for a clean-powered planet.

Tom takes an analytical approach to problem solving and his mathematical models and methodologies are frequently integrated into the company’s commercial software products, making them readily accessible to the solar industry.

Tom’s passion for innovation in the area of clean energy system analysis has made him a sought-after industry speaker and consultant for the PV industry, and he has published extensively for more than 25 years. His numerous research topics include: valuation of photovoltaics and distributed generation, risk management and renewables and, most recently, methods to characterize PV output variability. In performing his research, Tom has been known to test hypotheses using the PV and electrical systems in his own home.

Tom began his career at Pacific Gas and Electric Company. He holds a Ph.D. in Engineering-Economic Systems from Stanford University’s School of Engineering.

Carlos Brito, VP, Engineering

As the Vice President of Engineering at Clean Power Research, Carlos Brito heads the engineering teams responsible for developing the company’s software services and managing the respective operational aspects. Carlos is instrumental in delivering upon our vision of delivering” software for a clean-powered planet”.

Carlos’ interest in clean energy is driven by his belief in the energy transformation, where renewables and energy technologies play a key role in achieving a more sustainable future. Carlos is a big fan of electric vehicles, and like several of his teammates, drives one to work every day.

Prior to joining Clean Power Research, Carlos spent time as a founding member of an early-stage startup. Most of his professional experience comes from developing enterprise and consumer software products at Microsoft, where he worked for 15 years. While at Microsoft, Carlos lead development teams working on multiple releases of Microsoft Outlook® and the Windows® operating system. Carlos holds a degree in Computer Science from the Faculty of Science and Technology, New University of Lisbon, Portugal.