About Us

Astrum Solar Executive team

Vadim Polikov


Vadim Polikov is one of the founders of Astrum Solar and serves as president. Prior to Astrum Solar, Vadim was the co-founder and CEO of American Journal Experts, the market leader in academic language editing for the academic publishing industry. He also helped start Ultrasound Ventures, a medical device company and has consulted for several other start-ups in the incubation stage. Other professional experience includes mergers and acquisitions at UBS Warburg and a variety of roles in venture capital funded start-ups. Vadim earned both his B.S. in Engineering and his Ph. D. in Biomedical Engineering from Duke University. He is also a NABCEP-Certified PV Installer™.

Why solar? Harnessing the sun’s power is the best and only way to overcome the challenge of global warming without sacrificing our standard of living.

Ben Davis

Vice President, Operations

Ben Davis is one of the founders of Astrum Solar and serves as vice president of operations. Prior to Astrum Solar, Ben was an engineer with ExxonMobil where his responsibilities included the evaluation and optimization of energy projects for the second largest oil refinery in the U.S. He also served as a Captain for Space and Missile Operations in the United States Air Force. As an Intercontinental Ballistic Missile (ICBM) Combat Crew Commander he led a team in charge of operations and security for a flight weapons system worth $1.1 billion. As an ICBM Combat Crew Instructor, his squadron received the McAdoo Award for Top ICBM support squadron in the Air Force.  In this role, he developed and implemented training for 250 crew members and staff during the largest upgrade to the current ICBM system since its inception in 1962. Ben earned his B.S. in Engineering from Duke University and his M.S. degree in Mechanical Engineering from the Georgia Institute of Technology. He is also a NABCEP-Certified PV Installer™.

Why solar? While solar technology has gone virtually unchanged for several decades, new developments in other areas of the industry, such as micro-inverters, have made it a constantly evolving and exciting technological field.

Josh Goldberg

Vice President, Policy and Business Development

Josh Goldberg is one of the founders of Astrum Solar and serves as vice president of policy and business development. He also heads the Solar Renewable Energy Credit trading business. Prior to Astrum Solar, Josh was an attorney at Ballard Spahr, LLP where he focused on mergers and acquisitions and venture capital transactions. He also co-founded a private equity fund dedicated to real estate investment and management, and served as a policy advisor to U.S. Congressman and Maryland elected officials. Josh earned a B.S. in Finance and a B.A. in History from the University of Maryland and received his J.D. from the University of Maryland School of Law where he served as an editor of the Maryland Law Review. He is a member of the Maryland State Bar Association and serves on the Advisory Board of the Maryland Clean Energy Center.

Why solar? Solar power is not only good for the environment, but will help eliminate our dependence on foreign fossil fuels and ensure our energy security and national security.

Sandy Roskes

Vice President, Sales

Sandy Roskes joined the company in 2009 and serves as vice president of sales. Prior to Astrum Solar, Sandy was vice president of business development and marketing at FiberZone Network, a telecom hardware vendor start-up, where he built and led the North American sales and business development team. In this role, he created a new market category and developed a pipeline of over $20 million in specific customer opportunities to be addressed post product certification.  He was an investment manager and general manager of U.S. operations for Portview Communication Partners, an international venture capital firm with $72 million under management. Under his leadership, proprietary deal flow tripled and he invested in and worked with portfolio companies like Teknovus which was recently acquired by Broadcom for $123 million. Other professional experience includes various roles in consulting firms including Senior Associate at HK Strategy and Finance, Co-founder at ImageFX and Senior Engineer at Ecology and Environment. Sandy earned a B.S. in Engineering Sciences from Harvard University and received a M.S. in Civil and Environmental Engineering from Stanford University. He is also a NABCEP-Certified PV Installer™.

Why solar? With a 7% to 12% return on capital, and monthly cash flow in perpetuity, solar electric is one of the few investments in your home that is guaranteed to pay off.

Michelle Waldgeir

Vice President, Marketing

Michelle Waldgeir joined the company in 2009 and serves as vice president of marketing. Prior to Astrum Solar, she was vice president, consumer products at McKesson where she led their $1.5 billion consumer healthcare products and marketing retail services organization. In her initial role with the company, she developed and launched the 1,000 SKU’s Sunmark private label brand. Prior to McKesson, Michelle held a variety of brand management positions at The Clorox Company including head of the Clorox Disinfecting Brands where she created and built the Clorox Disinfecting Wipes brand from $0 to $100+ million.  The brand earned a 2001 New Product Pacesetter award, given annually to the top 10 new products in the packaged goods industry. Other brands she managed while at Clorox include Formula 409, Clorox Clean-Up and Fresh Step Cat Litter. She began her career at Procter & Gamble as a Purchasing Manager and has also helped launch new brands at early stage healthcare companies. Michelle earned her B.S. in Economics from The Wharton School of the University of Pennsylvania and her M.B.A. from the Kellogg Graduate School of Management.

Why solar? It’s one of the most generous gifts you can give to future generations.

Stephen Simons

Vice President, Information Technology

Stephen Simons joined the company in 2010 and serves as vice president of IT. Prior to Astrum Solar, Stephen was a principal at Restyn, LLC, a consulting practice specializing in online marketing and software development. He also served as the director of web development at Public Savings Bank and managed Fila USA’s online business, including all eMarketing technology initiatives and eCommerce. Stephen earned a B.S. in Physics from The College of William and Mary and received a Master of Divinity degree from Bryn Athyn College.

Why solar? The smart grid and distributed generation solutions like solar are the future of electricity.