Born in Osaka, Japan, Yasuhide Nakayama worked for advertising agency Dentsu on high-profile issues after obtaining a law degree from Seijo University.

Nakayama has been involved in the Japanese government since 1995 when he became the Secretary to the Commissioner of the Management and Coordination Agency.

Both Koike and Nakayama are affiliated to the openly revisionist lobby Nippon Kaigi, that advocates a return to militarism in Japan.

[4] Nakayama has stated that it was important to 'wake up' to China's growing threat and protect Taiwan 'as a democratic country.

'[5] Nakayama, who after university worked for advertising agency Dentsu on high-profile issues, is currently working as Assistant to President for Pasona Group Inc., a manpower company headquartered in his hometown Osaka, and until his re-election, he served as Senior Adviser to GR Japan, a government relations consultancy.