Engr. Dr. Harold Olusegun Demuren, an Aeronautical Engineer, was born on the 31st May, 1945 in Ijebu Ode, Ogun State.


He attended Ijebu Ode Grammar School where he obtained Cambridge Higher School Certificate (HSC) and GCE, Advance Level in 1964. In 1995, he won a Soviet Union Government scholarship to study Aeronautic Engineering in the former USSR. He obtained Diploma in Russian Language at the Moscow State University, Moscow, USSR (1965-1967). He proceeded to Kiev Institute of Aviation Engineers, Kiev in former Soviet Union where he obtained Masters of Science in Aeronautical Engineering (M.Sc) in 1972 and then to Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts, USA for the Doctor of Science D.Sc in Aircraft Gas Turbine & Jet Propulsion Engines (1975). He was a former Assistant Director of Airworthiness and rose to become the Director of Safety Services in the defunct Federal Civil Aviation Authority before he retired in 1995.


His research work is on the Design, Manufacturing and Testing of high Temperature, high Pressure ratio transonic turbine blades for advance gas turbines and jet aircraft engines for the United States Air Force and Navy at the Gas Turbine and Jet Aircraft Propulsion Laboratory (1972-1974) and also a joint experimental investigator with the Turbo-machinery Group of Von Karman Institute for Fluid Dynamics at Rhode Saint Genesse, Belgium, a NATO Research Institute (1974-1975).

He currently serves in the International Advisory Committee and a Member of Board of Governors of the Flight Safety Foundation, Virginia, USA; Fellow, New York Academy of Science (1980); Member, Sigma XI ‚ÄúThe Scientific Research Society of North America‚ÄĚ MIT Chapter (1977); Member, American Society of Mechanical Engineers (AMSE), 1976); Member, American Institute of Aeronautics and Astronautics (AIAA), 1976. He was the Director General of the Nigerian Civil Aviation Authority (NCAA) between 2006 - 2013.

  • Aircraft Gas Turbine Engine, Air Transportation, Aviation Safety and Security Regulation Oversight