Pan Mac Junior Chamber, formerly named Macau Jaycees (International) was established in 1984.
The first General Meeting was held on March 24, 1984 while the first Board of the First JC Chapter in Macau was elected.
Before 1988, Jaycees of Macau is affiliated to the HKJCC, a NOM of Junior Chamber International, Macau, in order to become a NOM of JCI, there needed to have two LOMs. With the continuous growth of Jaycees movement in Macau, it led to the birth of the second LOM of Macau, the Hou Kong Jaycees (currently named Hou Kong Junior Chamber) in 1988. Macau Jaycees (currently named Macau Junior Chamber) was successfully adopted by JCI as a NOM in 1988.