Former Vice President Al Gore is chairman of Current TV, an independently owned cable and satellite television nonfiction network for young people based on viewer-created content and citizen journalism. He also serves as chairman of Generation Investment Management, a firm that is focused on a new approach to sustainable investing. Gore is a member of the Board of Directors of Apple Computer, Inc., and a senior advisor to Google, Inc. Gore was elected to the U.S. House of Representatives in 1976 and the U.S. Senate in 1984 and 1990. He was inaugurated as the 45th vice president of the United States on January 20, 1993, and served eight years. He is the author of the 1992 bestseller Earth in the Balance: Ecology and the Human Spirit. Al Gore and his wife, Tipper, live in Nashville, Tennessee. They have four children and two grandchildren.