youtube.com
Twitter CEO Dick Costolo spoke with Arnab Goswami #TwitterMeetsArnab
30 Mar 2015
288.9K views
The "Town Square" in the Social Media Era: A Conversation with Twitter CEO Dick Costolo
11 Oct 2013
573 views
cnbc.com
Former Twitter CEO Dick Costolo on the potential for tech regulation
5 Jan 2021
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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