by Vanessa Valkin

Entrepreneur Elon Musk has a lot on his plate. The 37-year-old co-founder of   rocket manufacturer SpaceX, Tesla Motors, an electric vehicle company, and SolarCity,the largest solar energy provider in homes in California, is also the father of five children under the age of four. . In an exclusive interview with Lifestyles, Musk discusses the future of his companies—expanding space travel to include trips to Marsand a mass market $30,000 electric car for Tesla; as well as the Musk Foundation, which gives money to promote science education, pediatric health and clean energy.