Steve is also a board member of Trivallis housing association, Living Streets, and the Wales Council for Voluntary Action – the national third sector membership organisation.
Mae Steve hefyd yn aelod o fwrdd cymdeithas dai Trivallis, Living Streets, a Chyngor Gweithredu Gwirfoddol Cymru – sefydliad aelodaeth cenedlaethol y trydydd sector.