Tutor Hasan D. had always made sure that my daughter understands well his given Biology lessons, with his greatest passion and devotion at all times. Tutor Hasan D. only cares for the well being of my daughter and her well understanding of her AP Biology Subject. I’m grateful to Tutor Hasan D. for helping my daughter to enjoy learning more about biology each day of her life. My daughter was always excited to study with Mr. Hasan D. 😀👍🏼 Our best wishes to Tutor Hasan D. and his Family, always.