From NUMBER@1 , when PERSON@1 of LOCATION@1 retired , until his resignation from the ORGANIZATION@1 , PERSON@2 was the leader of the ORGANIZATION@1 MISC@1 , serving as Majority Leader from NUMBER@1 until NUMBER@2 and again from NUMBER@3 to NUMBER@4 .

He was the MISC@2 leader of the ORGANIZATION@1 from NUMBER@1 until NUMBER@4 .
