Other legal and political leaders who attended HLS include former president of the Republic of China (Taiwan), Ma Ying-jeou, and former vice president Annette Lu; the incumbent Chief Justice of the Court of Final Appeal of Hong Kong, Andrew Cheung Kui-nung; former chief justice of the Republic of the Philippines, Renato Corona; chief justice, Sundaresh Menon; former president of the World Bank Group, Robert Zoellick; former United Nations high commissioner for human rights, Navanethem Pillay; the former president of Ireland, Mary Robinson; Lady Arden, Justice of the Supreme Court of the United Kingdom and Solomon Areda Waktolla, Deputy Chief Justice of the Federal Supreme Court of Ethiopia. Deputy Chief Justice Solomon Areda Waktolla is also member of the Court of the Permanent Court of Arbitration.