Board of Directors

Yoshioki Chika

Board Member
Senior Director, Solution Strategy, SoftBank

Mr. Chika is the Senior Technical advisor and chair person of PWG (promotion working Group) for XGP Forum, an organization promoting the XGP (TD-LTE) and PHS eco-system.

Prior to joining SoftBank, Mr. Chika joined DDI CORPORATION (KDDI) in 1985. He spent 20 years in (K)DDI in charge of engineering sector, continuing his involvement in the development of PHS system in 1989. He was appointed to CTO and executive vice president of WILLCOM in 2007. Mr. Chika joined SoftBank in 2011 and appointed to CTO & Board of Directors at Wireless City Planning in December 2011. Mr. Chika has been leading the designing and development of the overall PHS eco-system, resulting in developing superior technology of XGP. Mr. Chika has been leading the promotion of unlicensed TD-LTE band in Japan and achieved B39(1.9GHz) in December 2017. Mr. Chika has seconded to Sprint as Technical advisor for CTO in December 2014.

Mr. Chika has a BA in Physics from Ibaraki University in Japan.