Stuart Russell in AI World Summit
You can find his presentation from the link below. As most of computer scientist, he don't say anything about ethical and existential risks, but override those as non-scientific arguments. This is probably because the philosophical premises of the computer science.
Summary:
- Rapid progress in AI is impacting society
- Regulate specific uses and misuses
- Prepare for major economic disruption
- Develop the theory and practice of provably beneficial AI