Twitter has a new CEO today, Jack Dorsey who is actually one of the company’s original founders back in 2006. Dorsey has been expected to take the position for a while now as he has been a “interim CEO” since June of this year as Dick Costlolo stepped down. Jack Doresey is now a CEO of two companies, Twitter and Square, Jack will remain as the CEO of Square.

“We’re working hard at Twitter to focus our roadmap on a few things we can make really great,” said Dorsey on Twitter. “And we’re strengthening our team along the way.”

The main investors of Twitter have wanted Jack Dorsey to come back as the CEO. Dick Costolo will also leave the board.