David Levine is the founder and CEO of Geostellar, which provides advanced simulations and social encouragement for the adoption of solar power and energy efficiency. Mr. Levine served in a variety of business and technical leadership roles at such geospatial pioneers as Lanworth, Sewall, and ImageTree. Previous entrepreneurial endeavors include Gamebryo, a video game technology platform (formerly Butterfly.net); Ultraprise, a B2B exchange for financial products; and HuskyLabs, the first Web design and Internet integration company. Mr. Levine presented a paper at the First International Conference on the World Wide Web at CERN Particle Physics Lab and wrote one of the first books on the Java programming language, Live Java: Database to Cyberspace. He holds a degree from Yale University and was awarded the Rackham Memorial Fellowship in Poetry at the University of Michigan.