A Chinese language course that can be used by the majority of Chinese language learners

I have a master degree in TESOL which is both about teaching and languages. My undergraduate degree ensures that I can switch between Chinese and English with ease and my experience of learning and acquisition of foreign languages could be used extensively in courses and learning.
Learning Chinese can be difficult for beginners, but once you know the learner's native language, you can teach it better. I believe that different teaching methods for different students can achieve surprising results.