Jack Dorsey

Twitter Surges In Opening Trade On NYSETwitter's stock debut up 73 above its IPO price. Twitter's trading debut is the most highly anticipated since Facebook's last year. Twitter will trade under the ticker symbol "TWTR.''
Twitter Founder Says He Hopes Someday To Run For New York City MayorSpeaking to CBS News’ Lara Logan in a segment broadcast Sunday on “60 Minutes,” Twitter founder Jack Dorsey said he wants to run for New York City mayor someday.
Twitter Opens New Headquarters On Madison AvenueTwitter Chairman Jack Dorsey made the announcement Thursday with Mayor Michael Bloomberg.