Donostia-San Sebastián International Peace Conference
It was organized by the Basque citizens' group Lokarri , and included leaders of Basque parties , as well as six international personalities known for their work in the field of politics and pacification: Kofi Annan ( former UN Secretary-General ) , Bertie Ahern ( former Taoiseach of Ireland ) , Gro Harlem Brundtland ( international leader in sustainable development and public health , former Prime Minister of Norway ) , Pierre Joxe ( former Interior Minister of France ) , Gerry Adams ( president of Sinn Féin , member of the Irish Parliament ) and Jonathan Powell ( British diplomat who served as the first Downing Street Chief of Staff ) . 
<triplet> Bertie Ahern <subj> Taoiseach <obj> position held