– Hanying (Helen) Liu, founder of Wall Street Chinese Chinese/Mandarin is becoming one of the most important languages. This is important for parents that consider a second language for their children. As founder of  Wall Street Chinese, since its establishment in 2009, I’ve taught hundreds of children myself and designed experimental mandarin programs for children in all age groups. To teach American children the Chinese language takes a unique approach. I think, that over the past five years, I have…