Ex-CEO of Twitter Jack Dorsey is new CEO of Twitter Jack Dorsey

The ex-CEO of Twitter, Jack Dorsey, who has been the interim CEO of Twitter, has now been confirmed as the new permanent CEO again.

Dorsey was voted in as the permanent CEO after another spell in the hot-seat following on from the toppling of Dick Costolo.

Dorsey, who tweets from @Jack, has been offering his own thoughts on running both Twitter and mobile payments company Square.

We are naming @adambain COO of Twitter, we're working to change the composition of our Board, and I will serve as CEO of Twitter and Square!

— Jack (@jack) October 5, 2015

I've been CEO of both companies for over 3 months now. I have the smartest, strongest, and most determined leaders in the world on my teams.

— Jack (@jack) October 5, 2015

Twitter is the most powerful communications tool of our time. It shows everything the world is saying rn…10-15 minutes before anything else.

— Jack (@jack) October 5, 2015

®