Sentence 1: Saito is the leader of the Saito Neko Quartet , and is known for his many collaborations with musician Ringo Sheena .
Sentence 2: Saito is the head of the Saito Neko Quartet and is well known for his many collaborations with the musician Ringo Sheena .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?