Complex sentence: Among the Eastern Catholic Churches, the Syro-Malankara Catholic Church is a Major Archiepiscopal Church, headed by Moran Mor Baselios Cardinal Cleemis (Thottunkal), who was elected in 2007.
Split into simpler sentences: Among the Eastern Catholic Churches, the Syro-Malankara Catholic Church is a Major Archiepiscopal Church, headed by a Major Archbishop. The current archbishop is Baselios Cardinal Cleemis (Thottunkal), who was elected in 2007.