Keito Okamoto

Okamoto was born in Tokyo to Kenichi Okamoto, a former member of the rock band Otokogumi, and model Katsue Nishi. He was educated at Framlingham College in England before returning to the Tokyo Metropolitan Area. In October 2006, he started work with the Johnny & Associates talent agency as a Johnny's Jr. On September 21, 2007, he debuted as a member of Hey! Say! JUMP. While he was a member, he wrote the lyrics to the song "Hero" and composed the song "H.our Time." He, occasionally, plays guitar along with Kota Yabu and Hikaru Yaotome in their concerts.

In March 2011, Okamoto made his acting debut in the final episode of long-running drama Kinpachi Sensei as a delinquent student.

In June 2018, following the announcement of Hey! Say! JUMP's single, "Cosmic Human", Okamoto announced that he was taking a break from entertainment to study abroad at the American Academy of Dramatic Arts (AADA) in New York City, beginning in September. He graduated with an associate’s degree in acting from AADA in June 2020.