Confirmed speakers:
Roger Waters, rock musician, co-founder of Pink Floyd
Luiz Inácio Lula da Silva, former president of Brazil
Yanis Varoufakis, former finance minister of Greece, MeRA25
Rafael Correa, former president of Ecuador
M.I.A., musician and activist
Slavoj Žižek, philosopher
Pamela Anderson, actress and activist
Srećko Horvat, philosopher, co-founder of DiEM25
Alicia Castro, trade unionist and Argentine diplomat
John McDonnell, former Shadow Chancellor, Labour Party
Jennifer Robinson, human rights lawyer
Tariq Ali, public intellectual and member of Russell Tribunal
Angela Richter, artist and activist