Akinbamidele Samson Odunsi was born on March 31, 1978. He attended Army Command Children School, Zaria, Kaduna State where he obtained his First School Leaving Certificate and completed his secondary education at the Nigeria Military School, Zaria, Kaduna State. He holds a BSc in Accounting from the Olabisi Onabanjo University, Ago-Iwoye, Ogun State, and an MSc in International Affairs and Defence Studies from the Nigerian Defence Academy, Kaduna.
A. S. Odunsi has served the Nigerian Navy in various capacities such as Finance Officer, Fleet Support Group (West) 2003-2006, Staff Officer Cash, Nigerian Navy Ship Pathfinder (2007); Instructor Officer, Nigerian Naval College One (2008-2009), and Base Account and Budgets Officer, Nigerian Naval Ship Victory (2012). He acted as Staff Officer Accounts, Western Naval Command in 2013. He currently serves as Base Accounts and Budget Officer, Nigerian Naval Ship Quorra, a post which he has held since 2013.
He is widely travelled and has visited various countries and cities like London, India, The Gambia, Sierra Leone, Benin Republic, and the United Kingdom. Among his hobbies are travelling by road, watching movies, computer gaming and meeting people. He is married with children.