One of the most highly regarded landscape architects in the world, Bill Bensley, 55, has designed more than 200 hotels, including the award-winning Four Seasons Tented Camp in Chiang Rai and The Siam Hotel in Bangkok. As he works on his latest project designing the residence for the Malaysian sultan, BK talks to Bensley about how he got his start, his charity work in Cambodia and his other exciting projects around Asia.