Kayuni obtained a
CAF A License. In 1993, he was appointed manager of the
Tanzania national football team. Two years later, he was appointed manager of Tanzanian side
Yanga, helping the club win two
league titles. Subsequently, he was appointed manager of Kenyan side
AFC Leopards, helping the club win a
league title. Following his stint there, he worked as an advisor for
CECAFA for the
2019 Kagame Interclub Cup. Besides that, he also worked as a coaching instructor. During the summer of 2020, he published a book entitled
Football Coach. ==References==