Dr Isaac M Mankilik is an officer of the Nigerian Navy. He joined the service in November 1985 and retired in January 2014 with his full rank of Commodore. He is an Industrial Engineer, Operations Research Specialist, Systems Analyst, Mathematician, Educationist, Biographer and Specialist in Readiness Strategies. He holds a PhD, MSc, MA and B. Ed degrees from various universities, home and abroad. He is a member of several professional bodies. He was a Director of Naval Education as well as Defence Education at the Naval Headquarters and Defence Headquarters respectively. He was a Senior Lecturer in the Department of Mathematics and Statistics, Nigerian Defence Academy, Kaduna, and a Principal Research Fellow and Head of Department, Science and Technology, at the National Defence College, Nigeria from 2015-2019. He is the current Registrar of the Admiralty University of Nigeria, Ibusa, Delta State.