BANGKOK, THAILAND — What makes a successful creative team? Is it communication? Knowing how to solve a problem? Stress management? At Yell Advertising, it would seem the agency’s creative group head duo, Peeradon Kongphakdee and Witsanuporn WattanaChang, have nailed the art of working together: It’s all about enjoying the process. The team at Yell emphasises … See more