Dr Jon Copley is the first UK bathynaut to dive more than 5 km deep in the ocean, and member of the team that made the first dives in minisubmarines to reach 1 km deep in the Antarctic. As a marine biologist, he has more than 20 years of experience in exploring the deep ocean, including leading expeditions aboard research ships and discovering new species of deep-sea animals. He is Associate Professor of Ocean Exploration at the University of Southampton and he was a scientific advisor and onscreen contributor for the BBC’s Blue Planet II series.

Talk: What has exploring life in the oceans ever done for us?