Meet the starting lineup of the Sunnova team.

At Sunnova, we define leadership as the difference we make in the lives of our customers and partners -- and for the solar industry in general. It’s that simple. Sunnova simple.



William J. (John) Berger

Chief Executive Officer Read bio »

William J. (John) Berger

Chief Executive Officer

John Berger has more than 19 years of experience in the power industry. He co-founded Sunnova Energy Corp. in November 2012 and serves as chief executive officer. Prior to Sunnova, he co-founded and served as chief executive officer of SunCap Financial, a leading residential solar power service company.

Before SunCap, Berger co-founded Standard Renewable Energy (SRE), a top-10 provider of renewable energy and energy-efficient products and services for residential, commercial and government customers. He also co-founded and served as managing partner for Contango Capital Partners, LP, a venture capital firm focused on renewable energy and energy technology companies. Berger began his career in 1996 as an analyst for Enron Corp. and completed his tenure there as director for Enron Energy Services.

Berger graduated cum laude from Texas A&M University with a Bachelor of Science degree in civil engineering and received his MBA from Harvard Business School in 2003. He served as an advisor to the Federal Energy Regulatory Commission during business school.

Jordan Kozar

Chief Financial Officer Read bio »

Jordan Kozar

Chief Financial Officer

Jordan Kozar joined Sunnova Energy Corp. in February 2015 as vice president of capital markets. Prior to joining Sunnova, from 2006-2015, he was employed in the investment banking group with Citigroup Global Markets. While at Citigroup, Kozar focused on the energy sector, primarily covering midstream companies.

Kozar brings valuable financial expertise from his prior role as an investment banker, including extensive experience with capital market transactions, knowledge of the energy industry and familiarity with master limited partnerships. He graduated from Texas A&M University with a Bachelor of Business Administration degree in finance.

Jordan Frugé

Chief Marketing Officer Read bio »

Jordan Frugé

Chief Marketing Officer

Jordan Frugé has dedicated more than a decade of his career to the energy industry, particularly renewable energy and energy efficiency. He is co-founder of Sunnova Energy Corp. and oversees all business development and marketing for the company.

Prior to Sunnova, he co-founded and served as senior vice president of sales and marketing at SunCap Financial, a residential solar leasing company. He also served as vice president of business development at Standard Renewable Energy, a leading provider of renewable energy and energy-efficiency products and services tailored to customers in residential, commercial and government sectors.

Frugé graduated cum laude from Texas A&M University with a Bachelor of Science degree in industrial distribution. He also served in the Texas A&M Corps of Cadets.

George Fibbe

General Counsel Read bio »

George Fibbe

General Counsel

George Fibbe joined Sunnova after serving as head of litigation for the petroleum division of BHP Billiton. Before that, he was a partner with the Houston-based commercial litigation firm Yetter Coleman, LLC. In private practice, he assisted numerous clients, including many in the energy and airline industries, with complex litigation ranging in subject matter from antitrust and e-commerce to intellectual property and contract disputes.

Fibbe graduated summa cum laude from Birmingham-Southern College with a Bachelor of Arts degree in political science. He earned his law degree at Harvard Law School and clerked for Judge Martin L. C. Feldman on the United States District Court for the Eastern District of Louisiana before moving to Houston.

Lynda Attaway

Chief Strategy Officer Read bio »

Lynda Attaway

Chief Strategy Officer

Lynda Attaway is co-founder of Sunnova Energy Corp., where she oversees all strategic initiatives and multi-disciplinary special projects. Prior to Sunnova, she served as senior vice president of operations at SunCap Financial, a residential solar lease provider. She also served as director of finance at Standard Renewable Energy, a leading provider of renewable energy and energy-efficiency products and services tailored to customers in residential, commercial and government sectors.

From 2001 to 2007, Attaway worked as a software developer and project manager for various organizations. She received Bachelor of Science degrees in electrical engineering and computer engineering from Washington University in St. Louis. She earned her MBA with a concentration in finance from the University of Houston’s C.T. Bauer College of Business.

John Bates

Sr. VP Account and Asset Operations Read bio »

John Bates

Sr. VP Account and Asset Operations

John Bates joined Sunnova in August 2015, where he oversees sales, fulfillment and customer commitments for Sunnova’s channel partners, including the commissioning, installation, operation and maintenance of solar systems.

Prior to Sunnova, he held various positions at NRG. Most recently, he served as senior vice president of Strategic Alliances for NRG Renew LLC, where he was responsible for the development of key partnerships, distributed generation markets, engineering best practices, international business growth and the supply chain.

Bates was the chief operating officer of Nuclear Innovation North America, a joint venture between NRG Energy, Toshiba Corporation and the Shaw Group. He also served as vice president of development for Luminant Energy, focusing on coal plant development and nuclear generation strategies. He began his career at Chevron, where he spent 10 years in different shipping, supply and trading roles before starting his own supply-chain solutions company.

He received an undergraduate degree from the United States Merchant Marine Academy and earned his MBA from the University of Houston’s C.T. Bauer College of Business.

Kris Hillstrand

Sr. VP of IT and Customer Operations Read bio »

Kris Hillstrand

Sr. VP of IT and Customer Operations

Kris Hillstrand is responsible for all aspects of Sunnova’s technology, applications, infrastructure and network. He has 28 years of experience leading firms in technology, power generation and energy services. Prior to joining Sunnova, he held officer, CIO and COO roles at TXU Energy (now Future Energy Holdings), Deloitte and Accenture.

Hillstrand’s experience includes the delivery of multichannel salesforce, customer engagement, revenue cycle and retail energy management solutions serving 4 million customers in the United States and Canada. He also restructured and optimized customer service for two of North America’s largest energy retailers and has overseen organizations with as many as 1,400 full-time employees in the Americas, India and Asia.

He earned his MBA in finance, as well as a Bachelor of Science in Engineering degree in computer science and electrical engineering, from the University of Connecticut.

Jennifer Soliman

Sr. VP, Chief Human Resource Officer Read bio »

Jennifer Soliman

Sr. VP, Chief Human Resource Officer

Jennifer Soliman oversees all aspects of the human capital strategy, ensuring it is seamlessly integrated and mutually reinforces Sunnova’s business strategy, vision, and commercial objectives. She has broad leadership and executive experience in human resources and compliance, spanning more than 15 years with roles of increasing responsibility.

Prior to joining Sunnova, Soliman led the human capital strategy at a small Australian Stock Exchange (ASX)-listed energy company. In addition, she has held several leadership roles and developed best practices in large, global companies such as Woodside Energy, BP and Koch Industries.

Soliman graduated magna cum laude from Rollins College with a Bachelor of Arts degree in organizational behavior and a minor in organization communications. She earned an MBA from Rice University and also honorably served in the United States Air Force Reserves.