Morio Matsui was born in 1942 in Toyohashi, Japan.

From 1963 to 1967 he went to the Musashino Fine Arts College in Tokyo. He arrived in Paris after having received a grant from the French government and attended the Julian Academy (Guancé Studio, 1967-1968) and the Parisian Fine Arts College (Singier Studio, 1967-1972). He has been living and working in Corsica, France since 1998.

In 2000 Morio Matsui was awarded the "Order of Arts and Lettres" (2000) and the Legion of Honor (2003). He was was decorated by General Louise Coppolani in 2004.

His "lithographs"   are part of the collection of the Bibliothèque Nationale de Paris (National library).

Is represented in Air France’s museum collection after having designed the interiors of the first-class sections of two Boeing 747s in 1972 and 1975 for the Ministry of Transport. (Previous designs by contemporary artists such as: Zao Wou ki, Singier, le Moal, Tourlière, and Hartung)

He made a guest appearance, in Joseph Losey’s film "la Truite" in 1972, in which he played the role of a Japanese ambassador. The cast included Jeanne Moreau, Isabelle Huppert, Jean-Pierre Cassel, Ruggero Raimondi.

Journal de Genève : full page for the 1984 New Year's edition having previously featured Dali and Carzou.

"Jewel-Paintings" : created in 1984. Named so by Jacquelyn Matisse accompanied by her husband Pierre-Noël Matisse (Henri Matisse's grandson) during a friendly visit with Juliet Man Ray at Morio Matsui's Parisian studio.

In 1991 Morio Matsui was of the jury at the International Salon of Cartoons in Angoulême for Manga's first participation.

Form 1992 to 1996, his works were chosen by the Japanese Ministry of National Education for the school books' front cover. (Kyôkasho) de 1992 à 1996.

Yosuke Yamashita, a famous Japanese jazz pianist, paid tribute to Morio Matsui in Corsica. "Canvas in Quiet" , Polydor, November 25, 1996

Invited by Sheikh Hamad Bin Hamdan Al Nahyan d'Abou Dhabi to discovery of the desert in 1999. (the prince's colossal Dodge Powerwagon ).

In 2000 and 2003, he designed the poster commemorating the 75th anniversary of the Monte-Carlo Country Club. Two paintings entitled "la raquette de l'artiste" as well as "la raquette-palette" remain in the Club’s art collection.

Kamigamo-jinja Shinto Shrine’s special exhibition in Kyoto in 2004, (National treasure and commemoration of the 10th anniversary on the UNESCO’s World Heritage List).

Exhibition in 2005 at the Préfecture d'Ajaccio for the Journées du Patrimoine (Heritage Days) and the 60th anniversary commemoration of the Atomic Bombings of Hiroshima and Nagasaki.

In 2008 and 2009, for the first time ever, Ajaccio Fesch Museum's "1st exhibition" of its renowned collection of Italian, Napoleonic and Corsican impressionist paintings in eight Japanese museums as a result of Matsui’s and Mr Kotani (APT International) initiative. The Fesch museum has the second largest collection of Italian primitive paintings, second only to the Louvre.

At a hotel suite in Goto, Nagasaki where 12 paintings were installed for the Prince Akishinonomiya's and Princess Kiko's stay. (07-22-2010).