Yasini was born in 1976 in Dar es Salaam. He is the son of one of the old members of TACS, Abdeleheman Hassan. He started painting in 1992 and was taught by his father and also by his brother, Jaribuni.
Yasini is married and has three children. When asked about his future, he is always smiling and says "just painting".
He has been actively painting for many years now. Especially appreciated by customers are his birds paintings
He is also a very active football player.