Dr. David Dell, CEO of the Sustainable Profitability Group, gave an overview of the opportunities and challenges of investing in renewable energy. The Sustainable Profitability Group is a business development, investment, and research firm focused on alternative energy and distributed energy technologies. The team of specialists at SPG has developed a unique approach to assure the economic sustainability of new energy technologies. Dr. Dell has over 25 years of experience in research, business development and investment banking. He has consulted with some of the largest and best managed companies in the world and has worked extensively to bring small companies to new levels of achievement including initial public offerings.