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Co-Founded Burning Door Networked Media
Dick co-founded Burning Door Networked Media, a web design and development consulting company. -
CO-Founded SpyOnIt
Dick co-founded SpyOnIt, a web page monitoring service. -
Founded FeedBurner
In 2004, Costolo, Eric Lunt, Steve Olechowski, and Matt Shobe, founded the web feed management provider FeedBurner. -
Joined Google
Dick began working in other areas of Google. In July 2009, he left Google. -
Left Google
In July 2009, Dick left Google, and in September 2009, it was announced that he was joining Twitter as its COO. -
Became CEO of Twitter
Dick was joining Twitter as its COO. Although his 2010 takeover as CEO was supposed to be temporary, while CEO Evan Williams was on paternity leave, it eventually became a permanent position. -
Became Corporate Vice President of Microsoft’s Trustworthy Computing Group
In May 2011, it was announced that President Obama had appointed Costolo to the National Security Telecommunications Advisory Committee, along with the Corporate Vice President of Microsoft’s Trustworthy Computing Group
