REID HOFFMAN is co-founder and chairman of LinkedIn, the biggest professional social network in the world with 100+ million members. Previously he was executive vice president of PayPal. He is also a partner at Greylock, a leading Silicon Valley venture capital firm. He has been an early investor in over 100 technology companies, including Facebook and Zynga.
BEN CASNOCHA is an award-winning entrepreneur and author. He has written for Newsweek and appeared on CNN, the CBS Early Show and Fox News. BusinessWeek named him one of 'America's best young entrepreneurs' and he is in much demand as a public speaker.