OUR INVESTORS

Sandbrook Capital is a private investment firm dedicated exclusively to partnering with world class management teams to build great companies that are crucial to transforming the world’s energy infrastructure. The firm was founded by five partners with decades-long experience in the renewable energy sector, and has raised over $2.1 billion in limited partner capital commitments. The firm has built a diverse team of nearly 30 people, including investment professionals from a number of leading private equity firms as well as executives with significant operational expertise, such as the former CEOs of Engie, Siemens Gamesa and Avangrid. Sandbrook has offices in Stamford, CT and London, UK.

Gardner Group is a privately-owned collective of companies dedicated to sustainability, innovation, quality real estate development and re-investing back into communities through results-oriented philanthropy. The Gardner family’s 40-year-old, full-service commercial real estate company specializes in the development of retail centers, multi-family residential, office, industrial, and medical campuses. The company has developed over 30 million square feet with construction costs totaling over $4.3 Billion. Gardner Group is also the developer of Summit Vista, an independent senior living and continuous care community in Utah, recently named as one of the Best Independent Living Communities by U.S. News and World Report. In 2018 the subsidiary, rPlus Energies was established. The latest addition to Gardner Group is a partnership initiated in 2021 with Philo Ventures, which innovates and invests through a studio, a fund and exploring sustainable building ideals.