Wei(David) Zhao has done many different kind of software development from application to embeded system as developer, team leader and R&D manager.
From late 2007 after getting one day Agile training by Craig Larman in Beijing, David is becoming the fan of Agile and Scrum. He begun to do self-learning and lead team to try some Scrum practices for a long peirod. Around the end of 2008, David got CSM training from Yi Lv who is the first Certified Scrum Trainer from China. From that time David is leading the development team to do Scrum and also as internal coach and driver in Beijing to do sharing and internal training to the department and lead the department's Agile transition.