BE final year student in the branch of compute science, with sound Knowledge of computer science and programming.

She makes one understand each and every topic excellently. For every teacher patience is a must and she can teach the same topic over and over again even if you don't understand.
She has been the best teacher to me before all my exams start.
She unknowingly has that skill to explain every topic so perfectly that everyone could understand what actually the topic is.
She has an excellent problem solving ability which is a must for any teacher.