Jemuri was born on 10 September 1929 to Serjan Wakijan and Jede Othman in Kuching.
In 1955, he was transferred to serve in the Sarawak administrative service where he had his first encounter with law and legal work.
[2] In 1973, Jemuri was promoted as Attorney-General (A-G) and held that office until his retirement in 1984.
[3] However, he was later re-engaged on a contract basis and continued serving as A-G until 31 December 1987, following which he was appointed a judge of the Supreme Court of Malaysia.
Finally, Jemuri was appointed the Chief Justice of Borneo on 11 March 1989, an office which he held until shortly after it was renamed the Chief Judge of Sabah and Sarawak before his retirement on 9 September 1994.