Madmun ben-Japheth ben-Bundar

Madmun ben Japhet ben Bundar was a merchant, ship-owner, and the leader of Jewish community of Yemen. He was also recognized as the official head of the community by the Arab authorities.
Madmun, who left nearly a hundred letters in the Cairo Genizah, was overseer of the port of Aden, an important station on the Egypt-India trade route. As an overseer he certified the amount of duty, and acted as arbitrator or judge in disputes between Jewish merchants. His house was used as a post office and for the storage of goods.

Madmun had owned ships which traded with Egypt and India. In conjunction with the vizier of Aden, he opened the first direct line to Ceylon. He was succeeded by his son.