Mayumi Hayashi, started her career as web developer/designer when she was in Art University. She joined KAYAC after experiencing designing in various industries, such as education and HR consulting. She belonged to R&D team 2007-2009, engaged in developing over 70 web services and applications. To name a few, ¡°YUREX¡± was the project collaborated with famous art unit ¡°Maywa Denki¡±, ¡°Genkidama¡± a web site sold the idea 100yen each. Now she works on client work mainly, takes part in R&D project, new smartphone EC application, and many more.