[1] In 1964 he co-founded the Development Studies Association along with Charles Rizk and Hassan Saab; an organization that promoted multi-disciplinary approach to planning issues in Lebanon and was active until 1988.
[6] Mazboudi entered politics in 1968, standing as an independent candidate for one of the Sunni seats in the 1968 Lebanese general election in Beirut III.
[2][7] He again contested the 1972 Lebanese general election in Beirut III, as a candidate on the list of Saeb Salam.
[1][9] Mazboudi was one of four cabinet ministers that resigned from the government on May 12, 1975, along with Joseph Skaff (Defence), Adel Osseiran (Justice) and Suleiman Ali (Agriculture).
[8] Mazboudi served as Minister of National Education and Fine Arts in the 1992 cabinet of Rachid Solh.