Structure The GSU is organised in Sub Units each hosting companies . Four of these Sub Units have commanding officers and they are regarded as the 'big four'. These are: • The Headquarters Sub Unit based at Ruaraka Nairobi • The National Police College Embakasi B Campus • The Recce Sub Unit based at Ruiru, • The (Presidential) Guard Sub Unit whose officers are solely charged with the duties of protecting the various state houses and lodges. Additionally there are 23 field companies have Officer Commanding (OC), and are listed in alphabetical order starting from 'A' company to 'Y' company. There is no 'O' company. Each company consists of three platoons and the company headquarters personnel. Originally a platoon consisted of 30 personnel but nowadays a platoon can have as many as 60 members.
Commanders • S. G. Thompson (19 May 1961 – 17 July 1961) • S. G. Smith (27 July 1961 – 20 March 1963) • Mackenzie (21 March 1963 – 26 February 1964) • R. J. Angel (27 February 1964 – 17 April 1967) • B. M. Gethi (18 April 1967 – 1 September 1978) • P. Mbuthia (2 September 1978 – 24 August 1982) • E. K. Mbijiwe (25 August 1982 – 8 April 1987) • J. K. A. Kosgei (8 April 1987 – 9 March 1993) • C. C. Kimurgor (10 March 1993 – 29 June 1999) • S. K. Cheramboss (29 June 1999 – 30 August 2002) • D. M. Kimaiyo (1 September 2002 – 15 January 2003) • Lawrence Mwadime (16 January 2003 – 2 June 2005) • Mathew Iteere – (2 June 2005 – 8 September 2009) • William Saiya Aswenje (23 September 2009 – 20 March 2014) • Joel Kitili Mboya (20 March 2014 – 2 September 2015) • Stephen Chelimo (5 September 2015 – 7 July 2018) • Douglas K. Kanja (8 July 2018- 12 April 2023) • Eliud K. Lagat • Ranson Lolmodooni (CURRENT COMMANDANT)
Personnel Originally, GSU members were drawn from the existing ranks of the Kenyan Police force, were from a number of ethnic backgrounds, and were trained in the Kenya Police College and placed on a two-year tour of duty. Most recently, all GSU members have been trained at the GSU-specific Training School in
Embakasi and its Field Training Camp in
Magadi, on 10-month-long courses, with further 5-month long courses required for promotion. ==Notes==