Ocean Thermal Energy Corporation (OTE) announced that New York Times bestselling and National Geographic author Thomas M. Kostigen has joined OTE’s board of advisors. Mr. Kostigen comes to the board as a Senior Sustainability Advisor to advocate for OTE and its technology, which promulgates renewable energy and fresh water to communities in need around the globe. He will also work with management in its efforts to create awareness of OTE within the impact investing community. Impact investments seek to foster positive social and financial returns. They address social challenges, such as natural resource inefficiencies, community development, or education, among other issues, while at the same time providing investment opportunities.