First Division

The, is one of the Gotei 13, headed by Captain Shigekuni Yamamoto-Genryūsai.

Current

 * Shigekuni Yamamoto-Genryūsai

Yamamoto-Genryūsai is the current Captain of the 1st Division as well as the Commander-general for all 13 divisions.

Lieutenant
 * Chōjirō Sasakibe

Chōjirō is the current Lieutenant for the 1st Division

Former
Former Unseated and Officers of Unknown Rank
 * Shin'etsu Kisaragi

Kisaragi was the seated officer of unknown rank and one of the greatest pupils of Yamamoto. He was one of the first victims of the Bakkōtō, and killed by his own teacher. (anime only)

Insignia
The Insignia for the 1st Division of the 13 Division Imperial Guards is the Chrysanthemum.

Special Duties
No special duties have been noted for the 1st Division, other than their Captain being the Commander-general of the Gotei 13.