Leader of Sinn Féin joined opposing sides with De Valera leading the Anti-Treaty faction, while Griffith joined the Pro-Treaty faction, which later became Cumann na nGaedheal. De Valera’ successor John J. O'Kelly was one of four leaders who served for brief periods of time as Sinn Féin’s party membership declined in favour of Fianna Fáil and Fine Gael. In 1937, Margaret Buckley became the first female President of Sinn Féin. During her thirteen years as leader, she vastly improved the relations between the IRA and the party. She was succeeded by Paddy McLogan and Tomás Ó Dubhghaill who both helped rebuild party support in
Alex Fein Fein, together with Bracha Rafael established an interfaith publication called, The Colony. It formed a launchpad for Fein's activism against Islamophobia. Fein founded Macroscope, a communications and product development company specialising in biomedical research counter-disinformation. Following The University of Wollongong's conferring a PhD on Judy Wilyman for a thesis propagating anti-vaccination misinformation, Fein's company embarked on a campaign to have the degree revoked. Fein has strongly condemned what she perceives as a corrupted organisational and philanthropic culture in Jewish Australia. Her own philanthropic activity has been unconventional, and her opposition to establishment practices has been criticised as simplistic and naive.