Mitsushi started in his career as copywriter and commercial planner in Dentsu Kansai. In his previous role at Dentsu and beacon communications, he worked on a number of domestic and international accounts including Renault, Ezaki Glico, Zojirushi, Procter & Gamble, Aiful, Nestle, Canon, Colopl, “YASKAWA BUSHIDO PROJECT” for Yaskawa Electric Corporation. Among his accolades are the New York Festival, One show and the Asia Brand Marketing Effectiveness awards.