As the group's name struck admiration nationwide, it's size increased so rapidly and large (300 strong at its peak) that a more thorough, detailed committee was called for. Following is a list, though I don't know how to translate some of the posts properly... please help anyone who has any idea!!
Captain (Commisioner? I don't know what to call him): Kondou Isami
Vice Captain: Hijikata Toshizo *char. model for Shinomori Aoshi
Military/Strategems Advisor: Itou Kashitarou (head of
literatures/records(?)
Captains of the 10 battle/patrol troops:
1st: Okita Souji (instructor in Kenjutsu) *char. model for Seta Soujirou
2nd: Nagakura Shinpachi (instructor in Kenjutsu)
3rd: Saitou Hajime (instructor in Kenjutsu)
4th: Matsubara Tadaji (instructor in Jujitsu)
5th: Takeda Kanryuusai (instructor in military strategies) *char. model for Takeda Kanryuu
6th: Inoue Genzaburou
7th: Tani Sanjyuurou (instructor in spearing skills)
8th: Toudou Heisuke
9th: Suzuki Mikisaburou
10th: Harada Sanosuke *char. model for Sagara Sanosuke
Head of sentries/spies: Yamazaki Susumu *char. model for Henya
(His job was to keep an eye on the members' conduct, sort of like a disciplinary master, besides being a spy to make sure of the coast before an important operation. Kondou and Hijikata relied and had a lot of faith in him)
(?no idea what his job is, except the JP word is souchou)Yamanami
Keisuke
(same post as above) a lot of those but the most famous among them was
Shimada Kai who was a big muscular man *char. model for Anji