Joseph is a qualified chartered accountant with over 30 years' experience in auditing, taxation and financial advisory services. Joseph is the founding partner of Muigai & ; Associates, a leading accounting firm in Kenya that has served local and international organizations in many sectors and industries. Previously, he held the positions of treasurer at Karen Country Club, technical partner at Kangethe & ; Associates and senior audit manager at Deloitte. Joseph holds a Bachelor of Business Administration degree from United States International University (USIU) and is a member of the Institute of Certified Public Accountants of Kenya (ICPAK).
Joseph is Chairman of KCB Bank Burundi and Chairman of the Audit Committee of KCB Bank Kenya.