David McCandless is a London-based author, data-journalist and information designer.
His blog and best-selling design-books Information Is Beautiful, Knowledge is Beautiful and Beautiful News are dedicated to visualising ideas, issues, knowledge and data.
He has worked as a creative consultant for Apple, Google, and Microsoft, spoken at TED Global and hundreds of international conferences. and taught his concept and story-driven approach to data-visualisation to teams at SalesForce, Twitter and others.
http://www.informationisbeautiful.net | @infobeautiful