King is a member of Bündnis Sahra Wagenknecht, previously representing Die Linke and PDS.

He received his doctorate in 2004 with a thesis on spatial mobility in Haiti between the paysannerie and the world market.

In the 2023 Berlin state election, he initially missed out on being re-elected to the Abgeordnetenhaus, but replaced Sandra Brunner [de] in the House of Representatives on 1 June 2023.

[4] On 28 November 2023, he resigned from the Left Party in the Abgeordnetenhaus of Berlin;[5] he continues to be a member of the House of Representatives as an independent MP.

[2] King is, among others, a member of the Aufstehen Collection Movement, the Friends of Nature of Germany, the NGO World Economy, Ecology & Development, the Ver.di union, the Ethiopian Disability Aid Association, the OSC Berlin [de] and a supporting member of the Volkspark Lichtenrade Association.