Sanji was appointed a non-executive director of DDD in March 2005. He is Chairman & Chief Executive Officer at Arisawa Mfg. Co., Ltd and Independent Outside Director at Nippon Seiki Co., Ltd., Chairman at Protec Arisawa Europe, S.A, and President & Representative Director at Protec International Holdings Co., Ltd. Additionally, he serves on the board of directors of ThinFlex Corp., Colorlink Japan, Ltd. and Protec Arisawa America. He received his undergraduate degree from Waseda University and a doctorate degree from North Carolina State University in 1973.