This is an introduction of Dr. Rita Wan, who is a Six Sigma Master Black Belt, popular six sigma and lean trainer and project coach and the Director and Principal Consultant of AC&A. AC&A is your six sigma and lean partner and solution provider. We provide six sigma project coaching, training and consultancy services including in-house and public. If you need further information, please visit us at www.acna.com.hk or call us at (852) 2135-9687 or join our free seminars by registering at info@acna.com.hk URL Link: www.acna.com.hk