He established the Dar Al-Handasah company in Beirut in 1956 and it is one of the largest Arab engineering consultancy firms.
He became the Vice President of the Jordanian Building Committee year 1962; as well as the head of the board for the Jordan Phosphate Mines in 1967.
The prime minister was the formal head of the council, but the actual work was entrusted to Kamal his deputy.
He seems to be in a constant position of criticism of the Palestinian national movement, including the choice of the armed action approach.
He was critical of Gamal Abdel Nasser's regime, accusing him of causing the outbreak of the Six-Day War.