SYRIZA (Greek: ΣΥΡΙΖΑ) is a left-wing party in Greece. The name stands for Synaspismós Rizospastikís Aristerás - Proodeftikí Symmachía (which translates to Coalition of the Radical Left - Progressive Alliance). It started in 2004 as an associaton of different parties. In 2014, it was made a party in its own right. In 2015, it won the most votes, more than its rival Nea Dimokratia. Alexis Tsipras is the head of the party. He was prime minister from 2015 to 2019.