Welcome to LinkedIn, the world's largest professional network with more than 1 billion members in more than 200 countries and territories worldwide. The mission of LinkedIn is simple: connect the world’s professionals to make them more productive and successful. LinkedIn began in co-founder Reid Hoffman's living room in 2002 and was officially launched on May 5, 2003. Today, LinkedIn leads a diversified business with revenues from membership subscriptions, advertising sales and recruitment solutions under the leadership of Daniel Shapero . In December 2016, Microsoft completed its acquisition of LinkedIn, bringing together the world’s leading professional cloud and the world’s leading professional network.