Patrick Pichette appointed as the board chairman of Twitter • @ Ex-Google chief financial officer, Patrick Pichette has been appointed as the board chairman of Twitter. • @ He will be replacing Omid Kordestani. • @ Patrick Pichette was serving in Twitter’s board of directors since. • @ Prior to this, he served as Google’s chief financial officer (CFO) from 2008 until 2015. • @ Twitter’s CEO: Jack Dorsey. • @ Headquarters: San Francisco, California, United States. • @ Twitter was founded in 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams.