Prior to pursuing legal studies at Birmingham University in the United Kingdom, he obtained his Sarawak Junior Certificate at the Sultan Omar Ali Saifuddien College (at the time called Pekan Brunei English School), alongside Zakaria Sulaiman.

[4] In 1958, Mohammad Ali worked for the government as a clerk before being promoted to a number of positions, including assistant legal adviser, deputy public prosecutor, first-class referee, acting chief registrar, senior administrative officer, immigration and national registration controller, and Sir Dennis White's assistant in London.

[4] The ACB had a small number of investigators and support employees in its early years after being established on 1 February 1982, with him being named as its first director.

[4] According to Kadhi Court, Chapter 77 and Section 13 of the Islamic Religious Council Act, the Sultan of Brunei gave his approval for the appointment of new members, including Mohammad Ali, to the MUIB for a term of three years, beginning on 1 August 2017, and ending on 31 July 2020.

[10] At the age of 82, Mohammad Ali passed away in his home at 7.45pm on 24 October 2018, was remembered by the Sultan Hassanal Bolkiah and Prince Al-Muhtadee Billah, during a Abdul Aziz Juned-led Jenazah prayers at his residence in Kampong Serusop, Berakas 'A' on the following day.