Si Shen is my good friend and schoolmate. She used to work for Google and now is the co-founder of PapayaMobile.com.

Nathan is my bachata classmate, also a dear friend. He is from the States, and is working in Beijing now.

Champion paraglider Meiyuan is my instructor, the coolest paraglider in China, and he is the founder of SuperWing Paragliding Club.

Dr. Zhao, Haiyan is my professor in Tsinghua University.

Shanshan is the hottest bachata teacher I've ever met. She is the founder of 7Class Dancing Club.

Nari Shin is one of the best salsa dancer in China from Korea, and he is the co-founder of D-Zone Dancing Club. He is from Korea.

Allen is Vice President of YouKu.com, also a dear friend.

Derek is my classmate in Nari's salsa class. He is from Australia, working in Beijing now.