Business Science & Tech Twitter co-founder Jack Dorsey resigns as chief executivesatofsatDecember 1, 2021December 27, 2021 by satofsatDecember 1, 2021December 27, 202101505 He is to be replaced by Parag Agrawal, Twitter’s chief technology officer, the company has said. The CEO change is effective immediately and Dorsey will... Read more