He graduated Sophia University and started working in a corporate communication department at Hakuhodo in 1993.
[2] He was an editorial director of “SEVEN”, which was a newspaper for younger readers sold at Starbucks[3] and such.
[6] He was involved in 50 years anniversary collaboration of Weekly Shonen Sunday and Weekly Shonen Magazine, KDDI, Itochu Corporation, “MOTTAINAI” ad campaign.
Also, he was the chief editor of the culture magazine “Kettle” and an area news site “Akasaka Economic Press”.
[7] He has published “How Koichiro Shima Makes Ideas”, “The Planning Skills”, “This Tweet Better Be Memorized”, and “Editing Method That Activates People and Sell Goods – How to Make Brand ‘Media’".