He holds BA Economics Major, CPAK Certified Public Accountants of Kenya. ACCA (Association of Charted Certified Accounts), and currently pursuing MA Economics. He is a member of Institute of Certified Public Accountant of Kenya (ICPAK).
He is the Head of Finance for KCB Bank South Sudan Limited since January 2018. He has a strong background in Finance, Strategy, Financial reporting and Research. He has served as Finance manager for KCB Capital, KCFC (Kenya Corporate Finance Company) and KCB Bank Kenya Finance between 2008 and 2015. Prior to Joining KCB, Granton worked for United States International University (USIA) Finance department. He also did research for Afro Barometer International, Plan International and International Labor Organization (ILO).