SKOLKOVO, October 11 - RIA Novosti. U.S. investors willing to invest up to $ 1 billion in joint projects with Rosnano in Skolkovo, the head Rosnano Anatoly Chubais on the results for the first visit to Skolkovo delegation of representatives of American business venture, which was held with the participation of Russian President Medvedev and Anatoly Governor California's Arnold Schwarzenegger, who promised to actively promote the cooperation between Russia and the U.S. in investment in innovation.