He is a frequent guest at writing events (including the London Screenwriters' Festival)[1] and such Doctor Who conventions as Gallifrey One[2] as well as San Diego Comic-Con.

Dinnick is a member of BAFTA, the Writers Guild of Great Britain and the Royal Television Society and a Patron of the Children's Media Foundation.

During this time he appeared on numerous TV and radio programmes as well as newspapers and industry web sites talking about internet-related matters.

Later he went on to work on the City desk of the Sunday Express and chaired the Government Committee on Web Design Best Practice in 2002/3.

He has written eight minibooks for the Doctor Who series from Running Press and served as Narrative Designer on a VR Game for the show in 2020.

He has also written for MGM's Stargate and has adapted the Sherlock Holmes stories of Sir Arthur Conan Doyle, including The Hound of the Baskervilles, for CD release.

An original graphic novel - Rob - was published in 2019 by Legendary Entertainment and WEBTOON alongside titles by Jessica Chobot and John Barrowman.