He served as the Director of Research and Community Service Development in the Directorate General of Higher Education from 1975 to 1981, Ambassador of Indonesia to the United Nations Educational, Scientific and Cultural Organization from 1981 to 1986, and as the Rector of the Jayabaya University from 1988 to 1996.

Born on 13 November 1928 in Pandeglang, Achjani studied veterinary medicine at the University of Indonesia (UI) in October 1952, shortly after completing high school.

[1] He received his doctorate from the Bogor Agricultural Institute on 16 January 1965, with his thesis titled Cyperus rotundus Linn: a pharmacological investigation.

He became IPB's Deputy Rector for Academic Affairs and the secretary of the institute's senate from 1965 to 1966, and the chair of the pharmacotherapy section in the physiology pharmacology department in 1966.

Upon his return, from 1971 to 1972 Achjani was entrusted as the head of the physiology pharmacology department in IPB's veterinary medicine faculty.