Karin Berry to Retire, Paul Holshouser Named Director of NT Solar
Washington, D.C. — December 22, 2025. NT Solar, a subsidiary of the National Trust Community Investment Corporation (NTCIC), announces that Karin Berry, Managing Director, will retire at the end of the year. Paul Holshouser, currently Director of Solar Transactions, will step into the leadership role starting on January 1st, continuing NT Solar’s mission to deliver impactful renewable energy investments.
Celebrating Karin Berry’s Legacy
Karin Berry has been a major player in the renewable energy space for over 30 years, with experience spanning international energy policy, government service, and private sector investment. Before joining NT Solar, Karin advanced clean energy initiatives in the public sector, including her work at the U.S. Trade Representative’s office, where she focused on international energy policy and government service. She later held leadership roles at PNC Energy Capital and Guggenheim Capital Markets, helping drive the adoption of renewable technologies and innovative investment strategies across diverse markets.
During her tenure as the inaugural Managing Director of NT Solar, Karin Berry led origination, structuring, and closing of renewable energy tax credit investments, building deep relationships with investors and developers nationwide. Her leadership helped expand NT Solar’s reach and reputation, and she leaves a legacy of integrity, innovation, and community impact. Since joining NT Solar in 2015, she has overseen solar tax credit investments and managed a rapidly growing portfolio of renewable projects, responsible for over $1 billion in tax credit investments.
Reflecting on her transition, Karin Berry shared, “I will miss the NTCIC team and our all-in commitment to delivering community benefit. Of course, I’ll still be doing what I can to support this community in my retired life!”
Paul Holshouser Named Director of NT Solar
Paul Holshouser brings more than 15 years of experience in wind and solar energy, with a background in project finance, business development, and energy policy. Since joining NT Solar in 2024 as Director of Solar Transactions, he has managed closings and fundings for renewable energy tax credit investments, working closely with investor and developer partners. Prior to joining NT Solar, Paul led finance at Distributed Sun and served as a tax policy specialist at the American Wind Energy Association.
“I am honored and excited to carry forward NT Solar’s legacy—serving investors by delivering strong returns and lasting community benefits,” said Paul. “Karin built a platform at NT Solar that is poised for continued success and industry leadership. It is our dedication to superior customer service that will continue to satisfy investors and developers alike.
“Karin’s vision and dedication have shaped NT Solar into a trusted partner for investors and developers. We are grateful for her leadership and excited to welcome Paul as NT Solar’s new Director. His expertise and energy will guide NT Solar into its next chapter,” said David Clower, President & CEO of NTCIC.
About NT Solar
NT Solar, an affiliate and wholly owned subsidiary of NTCIC, is a leading national investment service provider, directing capital to solar and storage projects that power local communities. The team provides end-to-end support, from sourcing and diligence through closing and ongoing reporting, leveraging Renewable Energy credits to advance environmental progress and economic opportunity.