This is Walter. Mandarin Chinese is the language I started to speak at one year old. Although all my career is being a scientist, the subject I feel most confident to teach is Mandarin, instead of the sciences. But definitely my scientist background will make the teaching more organized, more informative, and more interesting. I have two kids and know how to work with kids. Boys and girls will have fun while learning the language in a comfortable and pleasant atmosphere. Adult students will f...