About Mandy Sekiguchi
Born 1991. Mandy Sekiguchi is an American dancer.
Mandy Sekiguchi (関口 メンディー; Sekiguchi Mendi, born January 25, 1991) is an American-born Japanese actor, dancer, rapper and a former member of J-Pop groups Generations from Exile Tribe, Exile and Honest Boyz.
Early life Mandy Sekiguchi was born on January 25, 1991, in New Jersey to a Japanese mother and a Nigerian American father of Igbo descent. He grew up in Shinagawa, Tokyo, and was raised monolingual in Japanese. He started to study English later on in his career. Sekiguchi played baseball at the age of 6 and practiced it until his third year in high school.
Career In April 2011, Mandy participated in the Exile Professional Gym (Expg) audition produced by Hiro, and he was selected as a member of Generations from Exile Tribe.
In April 2012, he became an official member of Generations and debuted in November of the same year.
Mandy advanced into acting for the first time in April 2014, when he was selected as a cast member of Fuji TV's late night program Wow. On April 27, 2014, Mandy passed the Exile Performer Battle Audition Final in Nippon Budoukan and became a member of Exile. In May of the same year, he made his stage debut in the stage play Dance Earth Project "Changes" while also joining the coed-group Dance Earth Party for one year.
On January 26, 2015, members of Sekiguchi Mandy and Generations from Exile Tribe were appointed as "Hong Kong Tourism Goodwill Ambassadors" by the Hong Kong Tourism Board. On April 15, 2016, he became a member of the hip-hop unit Honest Boyz. He took on the position of MC in the group, calling himself simply Mandy (stylized as Mandy). This marked the first time he would use his vocals in a group.
In August 2017, Mandy produced the 24karats×KANGOL collaboration collection of designer hats. 24karats is a fashion brand developed by LDH while Kangol was founded in 1938 as a British traditional beret brand which established itself as a symbol of the art scene. Additionally, he made his acting debut in LDH's movie universe HiGH & Low in the same year.
On June 5, 2018, he threw the first pitch at the opening ceremony of the Giants vs Rakuten baseball game, held at Tokyo Dome.
In January 2019, Mandy was chosen as a representative for the promotion of the American movie Aquaman in Japan. On February 14, he attended the Prince OF Legend Premium Live Show, a fan-meeting with the whole Prince of Legend cast, at Yokohama Arena. On March 18, Mandy was invited to throw another first pitch at the opening ceremony of the Giants vs Mariners baseball game at Tokyo Dome. However, he wasn't able to exceed his previous record. On June 4, it was announced that Hello Mandy won the No. 1 prize in the collaboration category of the Sanrio Character Award, an award based on an annual popularity voting. On July 17, Generations from Exile Tribe released the single "Brand New Story". It included "Control Myself" as a B-side track, being the group's first original English song and also the first one to feature Mandy as a rapper. On September 9, it was announced that Mandy would be part of the cast for the live-action series of the manga Motokare Mania (モトカレマニア; Ex-Boyfriend Mania). This would be the first time that he will appear in a prime time drama.
On April 30 2024, Sekiguchi announced that he would be graduate from the group leave LDH Japan on June 25 2024. He later revealed he wanted to become someone who can be active not only in Japan, but all over the world.
Personal life On January 25, 2025, Sekiguchi announced his marriage through a post on his official social media account.
Participating groups Name Period of time Generations from Exile Tribe April 2011 – Exile April 2014 – ®ag Pound 2015 –Honest Boyz April 2016 –
Filmography
TV programmes Year Title Notes 2013-2015 Kyuukyoku no Otoko wa Dareda? Saikyou Supoutsu Danshi Choujou KessenAppeared in the second to fifth and seventh Annual Meeting Victory 2014 Wow 2016Kyuukyoku no Otoko wa Dareda? Saikyou Supoutsu Danshi moto Ni~Tsu Choujou Kessen!New Year's special
Stage Year Title Role 2014 Dance Earth: Changes Kuruma
TV dramas
Movies
Live performances Year Title 201827th Tokyo Girls Collection 2018 Autumn / Winter
Game Year Title Network Role 2019Prince Of Legend Love RoyaleGabriel Sasazuka Released on March 25 Available on iOS / Android
Advertisements
Music videos
Work
Character
"Hello Mandy"(December, 2018; Sanrio)
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Important facts
People in Mandy Sekiguchi's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Mandy Sekiguchi's
Frequently asked questions
Who is Mandy Sekiguchi?
American dancer
When was Mandy Sekiguchi born?
Mandy Sekiguchi was born on 25 January 1991 in New Jersey.
What is Mandy Sekiguchi's occupation?
Mandy Sekiguchi is a dancer.
What nationality is Mandy Sekiguchi?
Mandy Sekiguchi is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mandy Sekiguchi. https://biography.guide/mandy-sekiguchi/
MLA: "Mandy Sekiguchi." Biography.guide, https://biography.guide/mandy-sekiguchi/.
Chicago: "Mandy Sekiguchi." Biography.guide. https://biography.guide/mandy-sekiguchi/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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