VAS Ventures is Martin Varsavsky's early stage investment fund. They are looking for companies whose innovative founders think big and are courageous enough to shape the future. Martin is a serial entrepreneur, mentor, professor of entrepreneurship at Columbia Business School and investor. As a founder, he has built 5 successful companies, Viatel, Jazztel, Ya.com, Fon and Prelude. Viatel, Jazztel, and Ya.com all sold for over $700m. As an investor, he backed fascinating companies such as 23andMe, Eolia, Smarthings, Tumblr and Aura Biosciences. VAS Ventures’ key for success is offering hands-on mentoring from Martin.