• Jeff Ressler and Tom Hoff
    Jeff Ressler and Tom Hoff

    Tom Hoff, Founder and President, Research & Consulting

    Tom Hoff is the founder of Clean Power Research and president of its Research and Consulting Group. 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 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.

    Jeff Ressler, President, Software Services

    As the president of the Software Services Group at Clean Power Research, Jeff is responsible for the business and technical aspects of the company’s software services, including PowerClerk®, PowerBill® and SolarAnywhere®. As a software industry veteran, he brings a wealth of experience in delivering highly available online solutions that customers value.

    Jeff’s interest in the clean technology industry is driven by the fast pace of technical innovation and the opportunities to help inform markets about the value of renewable energy technologies. Seeing the parallels with the early software and PC markets, Jeff is applying his insight and expertise to delivering software solutions that quickly and cost-effectively evaluate the financial impact of renewable energy technologies.

    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.

  • Ben Norris
    Ben Norris

    Ben Norris, Senior Consultant

    Ben Norris is a senior consultant at Clean Power Research in Napa, California. In managing the Consulting Group, Ben contributes his expertise in the areas of distributed generation and energy storage to performing technical analysis and development of new solar analysis tools. Subject areas include valuation of distributed PV, output variability and forecasting, energy storage technology, and incentive program design. Consulting Group clients include research organizations, financial institutions, utilities and manufacturers.

    As part of an experiment to develop and validate CPR’s PV fleet variability model, Ben developed and deployed a network of high-speed irradiance sensors. He also played a key role in developing a web-based toolset and methods for Value of Solar® analysis in a project funded by NYSERDA and CPUC. His experience covers photovoltaics, solar thermal electric, flywheels, advanced batteries and fuel cells. He has developed methods for dynamically managing transmission line thermal ratings and for effectively using infrared imaging in Transmission and Distribution maintenance.

    After earning a degree in Mechanical Engineering from Stanford University in 1985, Ben worked as a research engineer at PG&E, later as an independent consultant. Ben served on the Board of Directors for the Electricity Storage Association for 8 years, and is a licensed Mechanical Engineer in the State of California.

  • Carlos Brito Leadership
    Carlos Brito

    Carlos Brito, Vice President of Engineering, Development

    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’ 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.

  • Top Staples Leadership
    Tom Staples

    Tom Staples, Director, Business Development and Sales

    As the Director of Sales and Business Development at Clean Power Research, Tom leads a team of account executives and business development specialists focused on helping our customers solve problems as they navigate the energy transformation. Tom’s team drives revenue for the company while identifying new market opportunities and seeking out partnerships that enable the company to serve customers more effectively.

    Tom is passionate about the clean energy space and growing the solar market. Prior to joining CPR, Tom was the President and Co-Founder of Cooler Planet, which grew to be the largest online customer acquisition and lead generation channel for companies in the residential solar industry prior to its acquisition in 2013. Tom studied business at the University of Washington and has led sales and business development teams in high growth software companies for over 15 years.