The energy generated at Compass’ major conference in May 2025 - CHANGE: HOW? A Decade of Radical Renewal - made clear the need to build for a bolder vision, policy platform and strategy within the Labour Party.
In September 2025, a historical coalition of voices from across the Labour Party and movement backed Mainstream.
READ OUR FOUNDING STATEMENTPolling completed by Survation on behalf of Compass in early August 2025 revealed overwhelming support amongst the Labour Party membership for a more radical offer on democracy, the economy, child poverty and much more. We believe the voices of these radical realists, the vast majority of the Labour Party, must be heard and heeded.
After an interim period, Mainstream will elect a Council to steer its course. Members of Mainstream will be entitled to vote and to stand in these elections, and will be at the heart of all that we do. The Council will appoint an Executive Committee to oversee the day-to-day running of the network.
In the meantime, an Interim Council consisting of nominees from Mainstream’s co-founding organisations, Compass and Open Labour, and a small number of co-optees will be responsible for Mainstream’s management. The direction set by the Interim Council will be carried out by Mainstream’s National Coordinator.
Interim Council
Kerry Postlewhite (Chair) | Open Labour
Neal Lawson | Compass Labour
Alex Sobel MP | Open Labour
Baroness Ruth Lister | Compass Labour
Mark Cooke | Compass Labour
Councillor Lauren Davison | Open Labour
Sue Goss | Compass Labour
Pablo John | Open Labour
National Coordinator
Luke Hurst
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