(written from a Production point of view)
Geo Cameron was the name under which Dr. Geo Athena Trevarthen wrote the story for the Star Trek: Voyager third season episode "Sacred Ground". Cameron used this episode to convey spiritual messages. 
Cameron describes herself as a hereditary shaman-priestess. She lives in Scotland and is married to archaeologist David Trevarthen. She also works as illustrator, graphic artist, and author, creates ritual objects and jewelry, and is teaching and guiding as a spiritual counsellor and holistic life coach.