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Nobuaki Sekine is a Japanese politician currently serving as a member of the Saitama Prefectural Assembly, representing the Kita Ward of Saitama City. First elected to the assembly, he is currently serving his second term. Within the assembly, he holds leadership roles including Chair of the Industrial, Labor and Enterprise Committee and Vice-Chair of the Special Committee on Nature Restoration and Recycling-Oriented Society Measures. He is affiliated with the Liberal Democratic Party.