jack dorsey

Jul 16, 2020

Twitter 'feels terrible' for high-profile bitcoin scam that targeted politicians, CEOs

Twitter believes the bitcoin scam to be a "coordinated social engineering attack" that targeted some of its employees that had administrative access.

Oct 31, 2019

Twitter CEO reveals ban on all political advertising

Jack Dorsey said internet advertising is "incredibly powerful and very effective" but comes with "significant risks to politics".

Sep 16, 2016

Twitter hasn't done enough about abuse, admits chief Jack Dorsey

Says the company hadn't thought 'cohesively' of a solution to harassment

Oct 20, 2015

Why Twitter is leading brands astray

The demographic information marketers rely upon for effective targeting and measurement are demonstrably inaccurate, says the head of social insight at OgilvyOne

Jun 12, 2015

Dick Costolo to leave Twitter

Twitter's chief executive, Dick Costolo, is leaving his role on 1 July and will be replaced by the co-founder and chairman, Jack Dorsey, on an interim basis.

May 16, 2012

Twitter’s Jack Dorsey named Media Person of the Year - Cannes Lions 2012

The previous recipient of the Award was Eric Schmidt, executive chairman, Google