John G Tolhurst

Rear Admiral John Tolhurst (born 22 April 1943) was commanding officer of the HM ships Berwick, Exeter and Invincible, assistant director of naval warfare in the Ministry of Defence, as well as Naval Aide-de-Camp to HM The Queen.

Consultant to arms trade fairs and conferences

Upon retiring from active service in 1997, Tolhurst was appointed senior military adviser to the head of Defence Export Services Organisation (DESO). He also acted as senior defence consultant to Reed Exhibitions Defence, Aerospace Group and Spearhead Exhibitions, and was chairman of the biennial Defence Systems and Equipment International Exhibition and Conference (DSEi).

Director of military propaganda firm

In 2007 Tolhurst was a director of military propaganda firm Strategic Communication Laboratories, the parent owner of controversial data firm Cambridge Analytica.