The annual World Stem Cell Summit is the flagship international event uniting the stem cell community by bringing together scientists, patients, advocates, business people, investors, educators, ethicists, policy makers, government representatives, and others to network and learn from each other. The 2011 Summit, at the premier Pasadena Convention Center in Los Angeles County, California, will attract more than 2,000 attendees from 30 nations, 60 exhibitors and more than 200 endorsing organizations and media partners.