Phillips has a background working as a reporter for BBC radio, and he was the Founding Editor (1979) of Strange Phenomena magazine.

[5] Phillips has worked twice with British TV personality Tony Robinson and appeared in his documentaries Robin Hood: Fact or Fiction (2003)[6] and The Real Da Vinci Code (2005),[7] and with historian Michael Wood: In Search of Myths and Heroes: King Arthur (2005).

[8] He has made two guest appearances on Britain's Channel Four Richard & Judy show: The Templars and the Ark of the Covenant (2004),[9] and King Arthur: The True Story (2005).

[16] And his investigations into the secret life of William Shakespeare and the Grail legend formed part of the Discovery Channel's Puzzles of the Past 2001 series (Master Spies[17] and Holy Relics[18]).

[19] Between 2014 and 2020 Phillips was featured in Forbidden History with Jamie Theakston as author and historian, attempting to solve biblical mysteries pertaining to Moses, King Arthur, and The Holy Grail.