Suzuki acquired postgraduate degrees at Columbia University and the London School of Economics.

[3][4] In October 2016, due to the resignation of Yuriko Koike from the House of Representatives in order to run as the Governor of Tokyo, Suzuki ran for the Democratic Party in the 10th district of Tokyo for the House of Representatives, but was defeated by the Liberal Democratic Party's member Masaru Wakasa.

[7][8] In the representative election (held on November 30) following the resignation of Yukio Edano, he was named as a nominee for Junya Ogawa.

[9] He represented as member of the Japanese Diet delegation at the OECD meeting on March 17 and 18, 2022[10] On July 26, 2022, the Constitutional Democratic Party warned Suzuki, who entered Ukraine, where an evacuation advisory was issued, in the name of the secretary-general.

He decided to suspend party positions such as the assistant chairman of the Policy Research Council for one month.