I must mention, that Tatyana was the best teacher for my elder son (he is 11 now) and for me too.
So I know her about 5 years. First she was an English teacher for my son and she helped me to improve my English knowledge too.
Tatyana was employed by me about 5 years ago.
I think, that Tatyana was born to be a teacher. As I know her, she learns something new all the time. She develops herself, looks for new methods of teaching, new sources of information for her students. She tries to find the best way for each student to success the best results in the shortest time.
Tatyana is reliable. Her word is a law. If she promises something ,she will do it obligatorily.
You can trust Tatyana, she will never let down you.
I can say, that Tatyana is punctual. I have no reason to doubt in her professionalism .
Tatyana is one of those person who really love what they do and this is the biggest her plus( at least for me as an employer).