is a Japanese politician who is a member of the House of Representatives since 2026 for Tokyo proportional representation block. A founding member of Team Mirai, Takayama served as the party's Secretary-General between 2025 and 2026.
Early life Born in Kyoto, Takayama attended Nada High School before going on to Keio University, where he earned both his undergraduate and graduate degrees in economics. After graduating, he worked as a consultant at Boston Consulting Group before working in business development at several Artificial intelligence (AI) startups.
Political career In May 2025, Takayama became a founding member of Team Mirai, becoming its Secretary-General. In the 2025 House of Councillors election, he ran as part of Mirai's national proportional representation block list. Although he did not win, party leader Takahiro Anno secured a seat, giving the party its first seat in the National Diet.
In the 2026 general election, Takayama ran in Mirai's Tokyo proportional representation block. Mirai went on to win 4 seats in Tokyo PR, with Takayama being one of them, and was elected as a result, becoming a member of the House of Representatives.
In September 2026, he was replaced as secretary-general by Aoi Furukawa.
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