Jason Hazeley is a British author, comedian, and television writer. He is best known for his work on the BBC comedy series The Armstrong and Miller Show, as well as the Ladybird Books for Grown-Ups series. He has also written for shows such as The IT Crowd, Miranda, and Not Going Out. Hazeley has written several books, including The Ladybird Book of the Mid-Life Crisis and The Ladybird Book of the Hangover. He is also the co-creator of the BBC Radio 4 comedy series The Museum of Curiosity. Hazeley is a regular contributor to BBC Radio 4's The Now Show and The News Quiz. He is a passionate advocate for mental health awareness and has spoken publicly about his own struggles with depression.