Stephen Coast (born 20 December 1980) is a British entrepreneur and the founder of the OpenStreetMap community-based world mapping project and CloudMade, a geography-related company.

Coast interned at Wolfram Research before studying computing science at University College London (UCL).

In 2008 this became CloudMade after investment by Nikolaj Nyholm and Sunstone Capital (company's website claims it was established in 2007[4]).

[citation needed] On 23 November 2010, Coast announced that he had accepted a position as Principal Architect at Microsoft's Bing Mobile.

[7] On 3 September 2013, Coast wrote on his blog that he had started to work for TeleNav, taking care of OSM development for the company's Scout navigator.