David Reisner has solved the most difficult problems in entertainment, technology, and other fields for 25 years. He helped define digital cinema and the transition from film to digital. He works above-the-line, advising producers and directors, and below-the-line with cinematographers and post-production. He has designed new kinds of computers and consumer products, including early technical and business plans for internet-based music and movie distribution, biological fingerprinting, and killer whale training.