He served as the fourth Secretary-General of the Organisation of Islamic Cooperation (OIC) from 1979 to 1984.

Habib Chatti was born on 9 August 1916 in M'saken, Tunisia.

[1] He began his career as a journalist in the 1930s and became the chief editor of Assabah.

In 1955, Chatti was appointed chief information officer in prime minister Tahar Ben Ammar's government.

In 1972, he became President Habib Bourguiba's chief of staff.