Deliveroo has announced the appointment of Dan Winn, a former director of engineering at Google, as its new chief technology officer. Winn is being promoted from the role of VP of engineering, a position he has held since joining Deliveroo in October 2018. Before that he held senior engineering roles at a string of tech giants, including Microsoft and Amazon. Winn will be based in London, where Deliveroo is rapidly growing its tech team. He will lead engineering, data science, design and user research teams.