Tomoko Namba founded DeNA Co., Ltd. Presently, she is Chairman at this company and Managing Partner at Delight Venture Investment KK (a subsidiary of DeNA Co., Ltd.). Ms. Namba is also on the board of Yokohama DeNA BayStars Baseball Club, Inc.

In the past Ms. Namba held the position of Chairman at DeNA Global, Inc., President & Representative Director at Mobaoku Co., Ltd. and Partner at McKinsey & Co. (Japan).

Ms. Namba received an MBA from Harvard University.