Khalid bin Abu Bakar (born 5 September 1957) is a retired Malaysian police officer who served as the 10th Inspector-General of Police of Malaysia (IGP), succeeding Ismail Omar. He retired as IGP on 4 September 2017 and was succeeded by Mohamad Fuzi Harun. A day after he retired from the police, Khalid was appointed chairman of Prasarana Malaysia by the Prime Minister of Malaysia, Najib Razak. Shortly after the fall of Najib Razak's administration in the May 2018 Malaysian general election, Khalid was put on a foreign-travel ban blacklist by the new administration, together with 11 others, in relation to investigations into the 1Malaysia Development Berhad scandal. And on 17 July 2018, Khalid resigned as chairman of Prasarana Malaysia without citing any reason. Educational background He holds a Bachelor of Law degree from International Islamic University Malaysia which he earned in 1995 after being selected as one amongst 15 junior police officers to further their education through a part-time degree program. Career Khalid began his career in the Royal Malaysian Police on 5 December 1975, aged 18, when he enrolled as an Inspector in Training at the Police Training Centre of Malaysia in Kuala Lumpur.He was promoted to Assistant Superintendent of Police in 1 December 1986. Khalid also attended International Senior Police Officers' Command Course in 2000. He served as the Deputy Inspector-General of Police of Malaysia before being promoted to the top job in 2013. As the IGP, Khalid was known for his extensive use of Twitter for public communication including issuing informal warnings via Twitter to the Malaysian public. This earned him criticism from civil rights activists who accused him of using Twitter to curb free speech. In April 2018, Khalid was found liable for the defamation of Nurul Izzah Anwar, vice-president of the opposition People's Justice Party, for portraying her as a traitor in 2013 during statements made as IGP about the Lahad Datu standoff. Khalid was appointed as the new Prasarana Malaysia Bhd (Prasarana) group chairman on 5 September 2017, a day after he officially handed over his police command. Additionally, on the same day, Prime Minister Najib appointed Khalid as his special envoy in matters relating to combating terrorism, extremism and human trafficking on the international stage. He resigned as chairman of Prasarana on 17 July 2018, without citing reasons. Honours : Companion of the Order of the Defender of the Realm (JMN) (2009) Commander