In 1981 Rozali was one of eight healthcare professionals, later referred to in Malaysian medical history as the "Dream Team," sent to Sydney to train in open-heart surgical techniques. Upon his return, he served as the founding Head of the Department of Cardiothoracic Surgery at
Kuala Lumpur Hospital (HKL) from 1982 to 1985. On 22 October 1982, his team performed the first
Coronary Artery Bypass Graft (CABG) surgery in Malaysia, a quintuple bypass on a 39-year-old patient. In 1985, he transitioned to the private sector, joining the Subang Jaya Medical Centre (then Penawar Hospital) as a consultant cardiothoracic surgeon. He continued to serve at the hospital until his retirement from clinical practice on 1 January 2021. He was also a member of the Board of Studies for the joint Cardiothoracic Surgery program between
Universiti Teknologi MARA (UiTM) and IJN. == Honours ==