Jansen Ibrahim Silaen

Jansen Ibrahim Silaen (7 August 1931 – 19 May 1997) was an Indonesian politician and police officer who became the Police Chief of North Sulawesi and Central Sulawesi and Head of the Criminal Investigation Agency. After retiring from the police, he became a politician and served for two terms in the People's Representative Council until his death.

Early life and education Jansen was born on 7 August 1931 in North Tapanuli. He attended elementary school at the Hollandsch-Inlandsche School (Dutch schools for natives) but was forced to dropped out at the 4th grade due to the Japanese occupation of the Dutch East Indies. He then continued his 5th and 6th grade in the People's School and finished in 1944. Afterwards, he studied at a junior high school where he graduated in 1948 and at a high school where he graduated in 1952. Jansen fought against the Dutch forces during Operation Product and Operation Kraai during this period. During his final months in Irian Jaya, Silaen was responsible for securing the 1977 legislative elections.

After his arrival in Jakarta, Silaen was made as the chief of staff of the Jakarta police on 22 September 1977. A year later, Jansen was appointed by Major General Norman Sasono as the Deputy Commander of Task Force 378, a task force with the responsibility of securing the 1978 General Session of the People's Consultative Assembly. He returned to Jakarta and served as the Commander of the Investigation Command of the Indonesian National Police. He was replaced from the office on 4 September 1986 by Soedjadi. He officially retired from the police with the rank of major general shortly afterwards.

In 1991, he decided to run as a Golkar candidate from the Irian Jaya constituency and was elected to a second term. In his second term, he was reassigned to the Commission I, which handles defense, foreign affairs, communications and informatics, and intelligence. He died on 19 May 1997, just a few months before the end of his second term. He was buried at the Kalibata Heroes' Cemetery.

Personal life Jansen was a Protestant Christian. He was married to Dameria Margaretha P. Simanjuntak. The couple had five children.