Buffer is a software application designed to manage social networks, by providing the means for a user to schedule posts to Twitter, Facebook and Linkedin. The application was designed by a group of European expats in San Francisco. The two major co-founders of the applications are Joel Gascoigne, who is also the Chief Executive Officer of the company, and Leo Widrich, who is also the Chief Operating Officer of Buffer. By December 2014, the team reached 29 people from different parts of the world. As of January 2015, Buffer has more than 2,000,000 registered users.