We are former Federal Government, DoD, and private-sector engineers, and business professionals who built technology to help protect our troops and our country. We founded, grew, and sold successful software IT companies in commercial and government sectors, and now we’ve focused on developing a next-generation, renewables technology company. From our headquarters in Virginia, we are creating clean energy jobs, and we are manufacturing the energy systems to serve a growing need in the market.
Committed to Making Alternative Energy Solutions Affordable and Accessible for All
We are passionate about developing products that open the doors to battery storage for more people, help reduce fossil fuel dependency and support energy resilience — one user, one home, one business, and one village at a time. Our portable and price-accessible products provide backup and off-grid power availability for a wider market. Through consumer education, influencing government policy, engineering services, and offering affordable industrial-grade energy storage products — we are increasing the adoption of renewable alternatives for energy generation and backup.
Clift Briscoe — Chief Products Engineer
Clift has designed, developed, and implemented software and hardware systems within the U.S. Department of Defense and Intelligence Communities. He is an electrical engineer who co-founded several successful IT companies, and he has led the development of power supply and power management technology for computing platforms that must operate in varying environments. He also owns a lot of road racing bicycles – a lot.
Larry Chang – Chief Operating Officer
Larry started, grew, and sold government services and technology development companies serving the commercial industry and the US Department of Defense. He earned an MBA from George Mason University and Aerospace Engineering degree from Virginia Tech, and he ran startup and mid-size companies as CEO and COO. Before heading up Sol Donum operations, he also consulted for healthcare companies undertaking significant technology development initiatives. He also jams on the violin and has played with numerous musicians ranging from Ray Charles to the Moody Blues to Tony Bennett.
Sean Curry — Chief Marketing Officer
Throughout his career, Sean has led software development, hardware engineering, professional services, and sales teams for companies serving the U.S. Federal Government, Department of Defense, and Intelligence Communities. He is a graduate of the U.S. Naval Academy and has directed the construction, operation, and maintenance of nuclear and electrical systems on submarines. He also enjoys hiking and baking sourdough bread.
Lewis W. Hopkins – Vice President of Sales
Lewis brings an extensive background in industrial design and sales. He has contributed to the design and development of specialized machinery and worked with product manufacturers to streamline production flows and manufacturing processes. Following his engineering career, he founded a business and real estate brokerage company still in operation. Lewis enjoys camping, horseback riding, and other outdoor activities. He is a graduate of George Mason University.
Ed Willhide — Software Development Manager
Ed is a seasoned executive and a technology expert in software product applications development. He served as the CTO for a software company whose products were deployed to Fortune 100 companies in support of large-scale IT and security operations, and he then headed product development as the Vice President of a cybersecurity company serving numerous Fortune 500 companies. Ed employs his extensive experience to help shape and deliver software and cloud-based services for the Sol Donum product line. Ed takes every opportunity to go on adventures with his family.