YouTuber, author and presenter Jim Chapman has signed to Dundas Communications, where Olivia Francis will look after his personal publicity and oversee future campaigns.

Chapman, whose book 147 Things: A Definitive Guide to the Universe, from the Big Bang to Bellybuttons is set for an October release, joins the company's roster alongside fellow influencers pixiwoo and Sam and Nic Chapman. Dundas Communications director Max Dundas commented 'It’s an exciting time to be working with Jim and I’m delighted to welcome him to our expanding roster of clients. Representing the UK’s most powerful influencers themselves, as well as consulting brands on the best way to operate this space remains a key focus for the agency'.