Conversation so far:
Where did Dan Aykroyd grow up?
Dan Aykroyd grew up in Ottawa, Canada's capital
Was Dan Aykroyd married?
Dan Aykroyd married Donna Dixon in 1983.
Was Donna Dixon Dan Aykroyd's only wife?
Dan Aykroyd is married to Donna Dixon.
What were Dan Aykroyd's hobbies?
Other than Spiritualism, Aykroyd is also interested in various other aspects of the paranormal, particularly UFOlogy. He is a member of and official Hollywood consultant for the Mutual UFO Network.

Question: How long did he keep that position?
Self-contained rewrite: How long did Dan Akroyd stay a member and consultant of the Mutual UFO Netwrok?