After graduating from the University of Tsukuba in 1989, Akira Morikawa entered Nippon Television Network Corporation and was assigned to the Systems Division. There, he engaged in a wide range of media businesses, focusing upon new projects in the fields of Internet advertising, video distribution, mobile services, in addition to both BS digital and international broadcasting. While involved in these new projects, he attended the Graduate School of International Politics, Economics and Communication at Aoyama Gakuin University, acquiring an MBA degree in 1999.
In 2000, he joined Sony Corporation where he was at first responsible for the new mobile contents business and later for the broadband service (for the content delivery company, AII Corporation launched together by Sony, Tokyu and Toyota). Functioning as the leader of the contents business, he was involved in the planning, services and sales as well as marketing of the projects.
Whilst learning about Korea's advanced broadband systems, he realized its high potential and saw a clear future in online gaming. He entered Hangame Japan Corporation (the former NHN Japan Corporation) in 2003 and later, in August of that year, was appointed for the important role as Senior Executive of the Hangame Division.
After being promoted to Director in September 2004, he supervised the Corporate Planning Department, and in October 2006, became Executive Vice-President, continuing his role of managing both the Business and Corporate Planning Departments.
He was appointed as Chief Executive Officer of NHN Japan in October 2007. In November, later that year, when NAVER Japan Corporation was established, he was also appointed as Chief Executive Officer of NAVER Japan; in addition to the post of CEO at the former NHN Japan.
After the business merger of January 2012, where NHN Japan Corporation successfully integrated with the corporation's 3 groups—NAVER Japan, Livedoor, and NHN Japan, Akira Morikawa continued his role as CEO, overlooking the entire company, as well as serving as the head of the Games Division.
In April 2013, he was appointed as CEO of LINE Corporation as a result of the company separation of NHN Japan Corporation and the subsequent change to its company name.