A serial entrepreneur, investor, philanthropist, diplomat, and author; Bill founded not one but two unicorn companies in the 80s and 90s.

His ambitions are now always driven by the purpose of creating a 'world that works for all life'. His work includes:

- CoderDojo, a volunteer-driven community which teaches coding to kids in 107 countries

-WeForest, which aims to combat climate change and support communities through forest restoration and has already planted 20 million trees.

He is also a General Partner at SOS Ventures and founded the world's first biotech accelerator, RebelBio.

He lives on a small farm in Cork, Ireland where he lives as sustainably as possible and has not set foot on a plane for 10 years.

He is a charismatic speaker and regularly hosts masterclasses in persuasion. It's hardly surprising then that we found this conversation inspiring.