Koichi "Sonochan" Sonoda

Koichi "Sonochan" Sonoda


Sonochan is a Japan-based Partner. Having lived in Tokyo, Europe, SE Asia and China, he holds 35 years of accumulated experience in Marketing & Advertising Communication. He has provided management consultation and solutions to the clients in a variety of industries including, but not limited to, FMCG, luxury brands, cosmetics, insurance & financial institutions, high-tech, airlines, aircraft manufacturing, and retailing. Sonochan particularly holds extensive expertise in business turnaround, with a proven track record where he directly led it at an OpCo. He also holds discerning insight and expertise in the upper-stream company management such as 6 capitals and PMVV, based on his own experience to run companies as a C-suite. Prior to joining YCP, Sonochan spearheaded IPG Mediabrands / Universal McCann, a media/digital business management enterprise of Interpublic Group, as Japan Country Manager & CEO for 5 years. Before that, he was Executive Officer at Compass Group for 1.5 years and Managing Director of Dentsu's overseas operations for 7 years, which has made him hold C-level management experiences for 13+ years in total.


  • MBA, IMD - International Institute for Management Development
  • J.D. candidate, Graduate Law School of Keio University
  • BA in Law, Waseda University

Industry experience

Advertising, Media, Digital, FMCG, Luxury brands, Cosmetics, Insurance & Financial institutions, High-tech, Airlines, Aircraft manufacturing, Retailing

Relevant country experience

Japan, Europe, USA, SE Asia, China