He is the founding family owner and former CEO of NTP Group, one of Japan’s largest automotive sales conglomerates. After graduating from Doshisha University, he built his career in car sales and later served as president of multiple affiliated companies. He also contributed to public service as a member of the Nagoya City Board of Education.
During his sales career, he achieved remarkable results, selling around 180 vehicles per year, and was repeatedly honored with Toyota’s Outstanding Salesperson Award. In 1999, he moved to the United States, and in 2000, became the only Japanese national to complete two programs at the NADA (National Automobile Dealers Association) Academy, solidifying his reputation as a charismatic leader.

In October 2013, Shigeo Oguri made his debut as the tenor singer “SEKAI (世歌勳)” at the 10th anniversary celebration of a renowned company held at the Imperial Hotel in Osaka. In February 2019, he held a solo concert at the world-famous Carnegie Hall in New York, earning high acclaim from audiences around the globe. Since then, he has appeared in numerous prestigious events.
In January 2023, he was invited as a special guest to perform at the Chinese Spring Festival in Nagoya. In September, he gave a solo performance of the world’s oldest known song, the “Seikilos Epitaph,” during the nationally televised “Toji Otobutai” on MBS/TBS. On September 22, he held the “SEKAI INVITATION GIVING BACK CONCERT” at the Aichi Prefectural Arts Theater Concert Hall to mark the 10th anniversary of his career as SEKAI. Over 1,800 guests were invited to experience a concert themed around “Fate,” “Destiny,” “Inspiration,” and “Courage,” expressing gratitude through song.
In November, he performed a solo rendition of “Ave Maria” during a Mass officiated by a papal representative at the Vatican International Music Festival held at St. Peter’s Basilica. As a musical prayer for world peace, the performance deeply moved audiences from around the world.
On April 11, 2025, he became the first Japanese artist to hold a monumental concert titled “NEVER SEEN BEFORE” set against the backdrop of Egypt’s Great Pyramids and the Sphinx. He served as both executive producer and tenor singer, showcasing his multifaceted talent on a global stage.

Shigeo Oguri’s book “Ogurhythm” was released in January 2013. The English version of the bestseller was also released not only in Japan but also in Singapore and New York. The book continues to maintain its status as a top-ranking title.Two other books were released in the following years: “Katayaburi ni ikiru” (May 2016) and “Ichibyouhou” (May 2017).His highly anticipated fifth book is scheduled for release in March 2018 the 7th book "A man holding a star" by Ryuichi Matsushita will be released in June 2020.June 2021 Published the 8th book, "Magical words that move the hearts of 10,000 people", "Why do you feel better when you talk to this person. Recent book, "Toyota's Turning Point," is also a bestseller.

Shigeo Oguri is recognized as an active supporter of the “Kokushu no Kai” events held as part of the Cool Japan Movement which aims to promote Japanese culture throughout the world.In October 2015, at the World Heritage Site of Shimogamo Shrine in Kyoto, he was inducted as a tenth-generation “Sake Samurai”.In September 2017 at the fourth Cool Japan “Kokushu no Kai”, he collaborated with Takafumi Horie (Horiemon) from WAGYUMAFIA to deliver a crowd-pleasing performance.
The second Kokushu no Kai in New York took place on 2 February 2019 following the concert at the Carnegie Hall. 250 guests gathered for the occasion at the Nippon Club.
Member of the Chevalier des Cotes de Champagne and the Chevalier du Tartevin of Burgundy

Even as he worked toward becoming company president, Shigeo Oguri always dreamed of providing human resource education—learning together to cultivate valuable company workers—for young employees. As a first step toward this goal, he established in-house "Personal Abilities Seminars" in 2010 and volunteered to be the instructor, after which he began enthusiastically holding lectures and seminars outside the company as well. Oguri also engages in activities to foster greater globalization among today's youth as a member of the Nagoya City Board of Education, and every year as a specially appointed instructor for Miss Universe Japan he offers his support in the form of his personal OGURHYTHM philosophy for the ambitious women participating as representatives for each prefecture across Japan.