Complex sentence: After being elected to chair the group, Bitton initiated and led Ashdod's demonstrations calling for a more affordable cost of living for young Israelis, as part of the 2011 Israeli social justice protests.
Split into simpler sentences: After being elected to chair the group, Bitton initiated and led Ashdod's demonstrations, calling for a more affordable cost of living for young Israelis. Those demonstrations were part of the 2011 Israeli social justice protests.