John joined Yunsheng USA in 2008, where he serves as the Business Manager (Americas). He trained as a systems analyst for Royal Insurance (UK) PLC in Liverpool, England. John ran various business consultancies and has managed Plumbing and HVACR operations throughout California. He was formerly a registered commodity futures and forex trader with the National Futures Association. Originally from Hongkong, he speaks Cantonese, Mandarin, French and Spanish. John graduated from the University of East Anglia with a Joint Honours Degree in Environmental Science and Computer Studies.