He is a former senior adviser to Jeremy Corbyn as Leader of the Labour Party,[1] and was a close aide to Ken Livingstone as Mayor of London.
[2] In 1982, he was elected as a Westminster City councillor for Maida Vale ward, representing the Labour Party.
[3] In 2000, he was appointed Senior Policy Adviser "Best Value" to Mayor of London Ken Livingstone following his election.
[8] Alongside fellow former Livingstone aide, Simon Fletcher, Coleman was dubbed one of the "Mensheviks" in Corbyn's inner circle.
[9] He resigned in January 2016[10] following reports of disagreements with Corbyn's head of strategy and communications Seumas Milne and Andrew Fisher, the leader’s policy adviser.