Yi-Yuan Chang graduated in 2001 from Louisiana State University School of Dentistry in New Orleans with a Bachelor degree in Dental Technology and from the UCLA Master Dental Ceramist Program in 2003. He has been on faculty at UCLA Center for Esthetic Dentistry since 2003. Currently, he serves as Assistant Director and teaches various porcelain layering hands-on courses to students. Mr. Chang has presented lectures and teaches public hands-on porcelain layering courses for VITA North America/VITA. He self-published his book “Essence – A Portfolio of Dental Ceramics” in 2006.