Squad 12
the captain for the eleventh squad is Kenpachi Zaraki
You were close Rukia kills her squad captain in bleach episode 49. It is a very sad episode.
Renji Abarai
He never did
Tetsuzaemon Iba
its marechiyo oomaeda........
Kenpachi Zaraki .
The Research and Development Institute.
Captain of squad 11: Kenpachi Zaraki (Bleach)
Byakuya Kuchiki is the captain of squad 6 .
Captain commander Yamamoto or Genryusai shigekuni yamamoto.
Jushiro Ukitake. Captain of Squad 13.