Encik Hassan Abbas holds a Diploma in Business Studies from MARA University of Technology (UiTM). On leaving UiTM, he joined Permodalan Bumiputra Sabah Berhad (PBSB) as an Investment Executive in the Research and Planning Department. In 1983 he was sent to London for a one-year attachment with a British Stock Broking firm, Laurence Keen and Partners. There he was exposed to the various aspects of the Stock Broking business such as research, dealing, operations and finance. While he was in London, he was given the opportunity to be attached with the London Stock Exchange, Commodity Broking firm, Foreign Bank and the oldest Investment Trust firm called Foreign and Colonial PLC. Prior to that, he was trained at Permodalan Nasional Berhad and G.K. Goh Stockbrokers Pte Ltd.
On his return to Malaysia, he spent over 2 years with PBS Securities Sdn Bhd, a fund management company. To expand his experience in share investment he left the company and moved to TA Securities Berhad in 1986 as a stock and share dealer for corporate clients. After 2 years with the company, he joined CIMB Securities Sdn Bhd as a Vice President in the Corporate & Institutional dealing department. He left in 1994 to join Saham Sabah Berhad as a Manager heading the Investment Department. He was appointed as the Deputy Chief Executive Officer on 1 January 2009 and subsequently as the Chief Executive Officer on 21st August 2018.