Greg Jenner is the historical consultant to CBBC's multi-award winning Horrible Histories,Horrible Histories with Stephen Fry, and the various HH spin-offs. As well as contributing sketches and co-writing Stephen Fry's links, over the past four years he has been solely responsible for the factual accuracy of nearly one thousand comedy sketches with subject matter that has spanned the entirety of human history.

Greg studied at the University of York and, after dropping initial plans for a life in academia, has worked on historical documentaries and dramas for the past seven years. Greg's first book is A Million Years in a Day: A Curious History of Everyday Life from the Stone Age to the Phone Age.