Mr. Mungai is an Advocate of the High Court of Kenya and holds a Bachelor of Laws Degree (LLB) and a Masters in Business Administration (MBA) from University of Nairobi (UON). He is currently pursuing a Ph.D in Business Administration from the same institution. He is a Certified Public Accountant (CPA) and a Certified Public Secretary (CPS) as well an Associate of the Kenya Institute of Bankers (AKIB). He also holds a Certificate in Banking and Financial Services (CBFS).

Mr. Mungai is the Head of Tax for Barclays Bank of Kenya Limited and has over 12 years experience in tax management and policy. Prior to joining Barclays, Mr. Mungai worked with PricewaterhouseCoopers (PwC) and KPMG East Africa. He is a Trustee for Barclays Bank Pension Schemes and a Member of the Standards Tribunal. He has also worked with Diamond Trust Bank (DTB).