Derek Alexander Muller is an Australian-born Canadian science communicator, filmmaker, and television personality, who is best known for creating the YouTube channel Veritasium. Dr.

Derek Muller is the creator of Veritasium, a YouTube channel about science with over 8 million subscribers and almost a billion views, winner of the Streamy award for Science or Education in 2017. He has hosted award-winning documentaries: Uranium: Twisting the Dragon's Tail, Digits, and Vitamania for international broadcast networks. He was also a correspondent on Netflix's Bill Nye Saves the World and a host of the Australian science program, Catalyst.