Bahtiyar Duysak is a German citizen of Turkish descent. ^{[0] [4] [2] [3]}

Duysak was working customer support for Twitter’s Trust and Safety division while in the U.S. on a work and study visa. ^{[3] [1]}

On November 29, 2017, Duysak was identified by media outlets as being the Twitter employee who temporarily deactivated the Twitter account of President Donald Trump on November 2, 2017. ^{[4] [3] [1]}