Washington, D.C. — December 22, 2025— National Trust Energy Capital, previously 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 National Trust Energy Capital’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 National Trust Energy Capital, 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 National Trust Energy Capital, 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 National Trust Energy Capital’s reach and reputation, and she leaves a legacy of integrity, innovation, and community impact. Since joining National Trust Energy Capital 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 National Trust Energy Capital
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 National Trust Energy Capital 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 National Trust Energy Capital, 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 National Trust Energy Capital
National Trust Energy Capital is an energy tax credit investment and asset management firm with more than a decade of experience connecting investors and developers. Building on a strong foundation in solar, National Trust Energy Capital works across a broad range of energy technologies and tax credit possibilities, helping investors identify strong opportunities and developers secure reliable capital in a changing policy and market environment. National Trust Energy Capital specializes in community solar, energy storage, and projects serving low-income households or located in historically underserved areas.