David was brought up in a family that loves travel a lot. He has been many places of interests every half year since he was very young. Hence, he has his particular angle to know the world from his personal experiences of traveling. After he has been grow up, he realized he can be the one to help others to broaden their horizons. Therefore, he chose to learn tourism management when he was doing his bachelor in Guizhou University of Nationalities. After graduate, he gave up the opportunity to do further education in the US, but chose to be a tour guide in his home town, he thought his ability of communicate, knowledge of his home and extrovert personality would definitely help him to be a qualified guide to introduce China to the world. Besides, when he is sharing Chinese history and culture, he is also absorbing cultures of other parts of the world. David used to be a cyclist when he studied in college, and his familiar with the whole countryside of Guizhou made him an outstanding expert of cycling and trekking. Hardly anyone knows more about the mysterious ethnic groups deep in the mountains and picturesque cycling routes near Guiyang. As far as his experiences are concerned, he has led many charitable businessmen to do trekking tours in the southeast Guizhou coming from the US, Switzerland, Germany and Italy, donating almost a whole van of stationery and medicine to the local children, and he has also been touched lots of times when he saw the kind local people serving the best food they have and singing minority folk songs to welcome and thanks the visitors coming far away.