Gary Lefley (born 1954) was the general secretary for the Campaign for Nuclear Disarmament (CND) from 1990 to 1994.
Lefley belonged to the Straight Left faction within the Communist Party of Great Britain.
Lefley remained general secretary of CND until 1994, when the post was abolished and the anti-nuclear movement was declining; towards the end of the Cold War.
He remains a politician and Union activist and is currently the headteacher of a Pupil referral Unit in London.
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