Alexander Ryder

Current Leader of House Ryder. He appears as a venerable old man, usually wearing a red robe with the House Ryder symbol on the front. He was a captain of the 2nd division ~1000 years ago, coming even before Satoshi's predecessor.

Zanpaktou:

Name: Not Yet Revealed.
Release Command: Not Yet Revealed.
Ability: All it has shown is a bright glow and the ability to change from a katana to dagger.