First Admiral Dato Seri Pahlawan Haji Othman bin Hj Suhaili @ Suhaily, PSPNB, SMB, PSB, MSc, mpat, psn, psc, pwo, was born on 19 April 1970. He joined as a recruit in September 1988 and posted to Royal Brunei Navy (RBN) as a Naval Cadet on 17 March 1989 and attended the International Midshipman Course in Britannia Royal Naval College, Dartmouth and graduated in 1990.
Throughout his early service, First Admiral Dato Seri Pahlawan Haji Othman had the opportunity to attend various courses abroad namely Royal Australian Navy Training Detachment on board HMS IPSWICH (1990), Midshipman Sea Training Deployment with Republic Singapore Navy (1990), International Sub-Lieutenant Course in United Kingdom (1991), Ship Diver Course in Malaysia (1994), International Principle Warfare Officer course in United Kingdom (2000), Staff Course in Pakistan and several courses attended notably Executive Development Programme (EDP) in Public Policy and Management Course in National University Singapore (2009) and attended the Malaysian Armed Forces Defence College Course 34/2014 with Masters of Social Science in Malaysia.
First Admiral Dato Seri Pahlawan Haji Othman held various command appointments from Commanding Officer of Coastal Patrol Craft (CPC) namely KDB PEMBURU, KDB PENYERANG and KDB PERWIRA, also commanding one of the Missile Gun Boat (MGB) KDB SETERIA. Other appointments held include Diving Officer. He assumed as RBN Fleet Commander (2011)
His staff officer appointments were Military Assistant to Commander Royal Brunei Armed Forces (RBAF) (2007 to 2009), Base Commander (2010), Defence Adviser of Brunei Darussalam to Malaysia (2012 to 2013) and Head of Capability Development Cell (2015).
First Admiral Dato Seri Pahlawan Haji Othman was the Co-Chairman (Brunei Darussalam) of ADMM-Plus Expert Working Group (EWG) on Maritime Security together with New Zealand (2015-2017) During his chairmanship RBN had the honour to host the Field Training Exercise on Maritime Security and Counter Terrorism in 2016.
On 06 March 2015, First Admiral Dato Seri Pahlawan Haji Othman was appointed as The Deputy Commander of RBN before taking his current appointment as the Commander of RBN in 19 April 2019.
First Admiral Dato Seri Pahlawan Hj Othman was awarded with Darjah Setia Negara Brunei Yang Amat Bahagia, Darjah Keempat (2008) and Darjah Seri Paduka Mahkota Brunei Yang Amat Mulia, Darjah Ketiga (2015). On 15 July 2019, His Majesty Sultan Haji Hassanal Bolkiah Mu'izzadin Waddaulah Ibni Al-Marhum Sultan Haji Omar 'Ali Saifuddien Sa'adul Khairi Waddien, The Sultan and Yang Di-Pertuan Of Brunei Darussalam bestowed the
Darjah Pahlawan Negara Brunei Yang Amat Perkasa (The Most Gallant Order of Pahlawan Negara Brunei) First Class (PSPNB) which carries the title 'Dato Seri Pahlawan' to First Admiral Hj Othman.
First Admiral Dato Seri Pahlawan Haji Othman is married to Datin Nazatulshima binti Haji C.A. Mohamed and blessed with 03 sons and a daughter. He is into swimming, jogging and enjoys reading.