Jo Usmar is a British author, ghostwriter, and journalist.S he has authored and co-authored eight titles in the bestselling This Book Will Make You... mental-health series.

Psychotherapist, bestselling author and ghostwriter, Corinne is the Chair of the Books Committee of the Writer’s Guild of Great Britain, and champions women’s and writer’s rights wherever she can.

Jessamy Hibberd is a Chartered Clinical Psychologist and author of several books. She regularly speaks on podcasts, radio, to corporates and at events.