Claire is an amazingly patient and thorough Mandarin teacher, who always makes classes fun! The Lingo Class material is structured great for those that want to learn useful language from day 1. Highly recommended!
I first had lessons with Claire in Taipei, and felt she was a great teacher who adapted to my requirements and level, so it was an easy decision for me to start lessons with LingoClass in London. Having studied at language schools in Taiwan and on the mainland, I think that LingoClass has a very good offering, as they teach at your pace/level, and provide excellent materials as well as post lesson support.