Joining D.A.Consortium Inc. (DAC) in 2001, TOK oversees the development of robust and creative technology solutions; including Japan`s leading Media Planning Platform "AD-Visor", Data Management Platform "AudienceOne" and the largest ad server by volume in the Japanese market, "FlexOne". TOK has a long history of proactively introducing a range of international technologies to Japan including Rich Media Platforms, Behavioral targeting, and Augmented Reality amongst others.In 2011, he founded Platform One Inc. (P1) as a subsidiary of DAC. Having developed “MarketOne” and “YieldOne”, the first full-scale DSP (Demand Side Platform) and SSP (Supply Side Platform) platforms in Japan, he is committed to expanding and developing use of RTB (Real Time Bidding) in the display advertising market.Currently serving as CMO of DAC, he is on the board of several companies, including HAKUHODO I-studio, United and Members, where he fuses his vision for Internet technology with the emerging needs of management. He also leads the Marketing Solution Unit, "Fruits Bear" which works to mobilize the full capacity and potential of the DAC group of companies. In the interests of further developing Online Marketing in Japan, TOK is a frequent lecturer and speaker at a number of events and forums and is also author of works such as the "New Online Ad Handbook (JMA Management Center, 2013)" and "The Survival Ad Technology (SHOEISHA, 2009)".