Japan's largest business body appoints first female vice chair Sorry, but your browser needs Javascript to use this site. If you're not sure how to activate it, please refer to this site: https://www.enable-javascript.com/ Tomoko Namba, founder and chair of DeNA Co., has become first woman to be named vice chair of the powerful business lobby Keidanren. | BLOOMBERG Kyodo Mar 9, 2021 The Japan Business Federation has appointed Tomoko Namba, founder and chairwoman of online service provider DeNA Co., as the first female vice chair in its 75-year history. But Namba will be the only woman to occupy one of the 20 vice chair posts in Japan’s most powerful business lobby with the rest held by men, reflecting the country’s male-dominated business circle that is lagging behind other countries in promoting gender equality.