Alok Jha is a journalist and broadcaster based in London. He is science correspondent for ITN and, before that, was science correspondent at the Guardian.

He has presented science programmes for BBC2 and BBC Radio 4. Alok received a science-writing award from the American Institute of Physics in 2014, was named European Science Writer of the year in 2008, and has been shortlisted for feature writer of the year at the annual Association of British Science Writers awards.

He is the author of How to Live Forever and The Doomsday Handbook, and his latest is The Water Book.