youtube.com
The "Town Square" in the Social Media Era: A Conversation with Twitter CEO Dick Costolo
11 Oct 2013
573 views
Dick Costolo Discusses Gender Inequality in Tech
12 Feb 2018
1K views
nytimes.com
Twitter’s C.E.O., Dick Costolo, Is Set to Exit, Feeling Heat of Criticism
12 Jun 2015
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American businessman
Richard William Costolo is an American businessman. He was the CEO of Twitter, Inc. from 2010 to 2015; he also served as the COO before becoming CEO. Wikipedia