Brig. Korir holds a Bachelors of Commerce and 2 Diplomas in Defence and Security Studies as well as Strategic Studies. He is a career military Officer with over 32 years of experience in military command, staffing and training. He served in peace and security operations with the UNPROFOR in the former Yugoslavia and in MONUC DRC. He is the current Chief of Training Development, Establishment and Equipment Tables in the Kenya Defense Forces.