Karin Berry serves as the primary business development and relationship manager with renewable energy tax credit investors and project developers. She directs the team for originating, structuring, underwriting, and closing renewable energy tax credit investments.

Karin maintains strong relationships with both investors and developers and has a deep reach into the renewable market with experience spanning 20 years and over $1 billion in investments. Prior to NT Solar, she served as Senior Advisor in the Office of Policy for the U.S. Department of Energy, Vice President of Guggenheim Capital Markets, Principal of Pave Energy Finance, and most re-cently, Senior Vice President of PNC Energy Capital. She has worked on renewable transactions all over the country for commercial, municipal, residential, utility, and non-profit clients.

Karin received a bachelor’s degree from Samford University and a master’s degree from the LBJ School of Public Affairs at the University of Texas, Austin.

As President and CEO of NT Solar and NTCIC, David directs fundraising and acquisition opportunities, develops, and implements the company’s overall strategy and new lines of business, and coordinates governing board/staff relations.

Mr. Clower joined NTCIC in 2024 with 30 years of commercial and investment banking and community development finance experience across commercial real estate, venture debt, private equity, alternative, and socially responsible impact investment platforms. Prior to joining NTCIC, he served as Chief Credit Officer, Chief Investment Officer, and the Executive Vice President of Strategic Investments at the Raza Development Fund, a national, Latino-focused CDFI based in Arizona.

He currently serves as the Chair of the CDFI Advisory Board for Quontic, a privately-held, New York-based adaptive digital bank; a member of the NMTC Advisory Board of Directors for Petros Community Impact Fund, a Texas-based CDE; a member of the Board of Directors for The Open Access Fellowship, which is focused on increasing Black and Latinx representation throughout the community development industry; and as Chair of the Board of Directors for the Phoenix Conservatory of Music, a non-profit, creative youth development organization.

Mr. Clower previously served as an Executive Committee Member of the New Markets Tax Credit Coalition’s Board of Directors; a member of the Bank of America Merrill Lynch Community Advisory Board, a member of the Corporate Advisory Board of the Phoenix Chapter of the Association of Latino Professionals for America (ALPFA); and as Vice Chair of NTCIC’s Board of Directors.

He is a multi-national with dual citizenship in the United States and México.  He studied Applied Economics at the University of San Francisco, Commercial Real Estate Finance at the Massachusetts Institute of Technology, and Strategic Business Leadership at the University of Chicago Booth School of Business.

Heather Buethe is the Senior Director of Project & Asset Management of NTCIC and NT Solar and is responsible for overseeing the closing process for tax credit investments portfolio investments, as well as supervising the organizations’ existing portfolio investments, including all post-closing financial disbursements, compliance oversight, and reporting. 

Heather has more than 12 years’ experience in the tax credit industry. She began her tax credit career with the law firm Husch Blackwell LLP, where she counseled investors, lenders, community development entities, and developers.  She built an in-depth knowledge regarding the HTC and NMTC program requirements and learned how to navigate the complexities of real estate projects with multiple layers of financing.  Heather also spent over three years at a national bank where she managed complex, multi-tiered federal and state HTC and NMTC transactions with multi-million-dollar investments. Here she closed over twenty transactions using in excess of $145 million in equity and generating over $162 million in tax credits. 

Heather earned her bachelor’s degree from Truman State University and her law degree from Washington University in St. Louis. She is a member of the Historic Tax Credit Coalition and Novogradac’s Opportunity Zone Working Group. 

As Managing Director of Credit and Portfolio Management, Bret is responsible for the supervision of NTCIC and NT Solar’s existing portfolio investments, including all post-closing financial disbursements, compliance oversight, and reporting. In addition, Bret oversees the onboarding process of the investment at closing, construction monitoring, project performance, and ultimately, the investor’s exit. Currently, Bret and his team actively manage $1 billion in tax credit investments. 

Bret has over 25 years of experience in commercial real estate appraisal, tax credit underwriting, financing, asset management, and acquisition/due diligence across multiple asset types. Prior to joining NT Solar, Bret spent three years as an investment and acquisition manager at a private equity real estate investment company and was primarily responsible for underwriting potential deals, evaluating risks, and financial analysis. Bret also has five years of experience as a senior asset manager at Fannie Mae and managed a primarily residential portfolio of 35 assets with a total asset value of $1.1 billion. He provided direct asset management and fund oversight for joint venture market rate equity, mezzanine debt, and historic tax credit equity for acquisition, rehabilitation, and new development deals. 

Bret received a Bachelor of Business Administration in Finance from The College of William and Mary and an MBA in International Finance from Loyola College. 

As Transaction Manger, Kevin is responsible for facilitating transaction closings and all subsequent tax equity fundings for solar and battery storage tax credit investments. Additionally, he oversees the review of diligence materials, transaction documents, and coordinates post-compliance buyouts between developers/investors to successfully exit tax equity transactions.

Kevin previously served as the Asset Manager for NT Solar, managing a portfolio of over $500 million in solar tax credit investments during the compliance periods. Prior to NT Solar and his transition to the renewable energy space, Kevin worked over five years providing commercial real estate consulting and reporting services to developers, brokers, and investors. Kevin earned his Bachelor of Business Administration degree from James Madison University.

Mason serves as an Associate Asset Manager, where he supports asset management reporting and compliance efforts for a portfolio of solar and battery storage tax credit investments. His key responsibilities include generating quarterly reports and benefit schedules, managing receipt of priority return and residual cash distributions, and maintaining digital asset management systems.

Before joining NT Solar, Mason gained over two years of experience in utility-scale solar and wind appraisals and cost segregation reports, providing him with a deep understanding of project valuation, risk analysis, and compliance requirements. Mason earned his Master of Science in Quantitative Economics from the University of Pittsburgh in 2021.