Joined Yahoo! JAPAN in July, 2012. Before, he promoted data driven marketing in several companies, and lead many approaches in the industry. Just after joining Yahoo! JAPAN, he found the Marketing Innovation sector (head office). He actively developed and promoted the marketing technique that fully utilizes digital technology and the asset of Yahoo! JAPAN as an "advertiser of Yahoo! JAPAN." He is the chairperson of the society for the study of Web Advertisement Big Data Committee.