Lecturer that i like most

I'll describe about one of our lecturer in SADHAR. I'm sure you're all know this person better. Usually this person wears a tidy or formal clothes. When you look at this person's smile you'll feel so wonder about it, because he/she's smile very cute and adorable. This person has short straight black hair with narrow black eyes and pointed nose. I think this person is a modest and patient person. He/she looks so intelligent but easygoing. Then, this person is a good looking person, tall enough and well built. I guess this person is in 20s. Last, usually you'll meet him at Lab.4. Let's guess who is 'this person' there ? good luck