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Masaharu Morimoto: Japanese-American Chef of Morimoto Restaurant Group

Masaharu Morimoto is the Japanese-American chef behind the Morimoto restaurant group, a global portfolio of Japanese-fusion restaurants that includes Morimoto New York, Morimoto Asia in Disney Springs Orlando, Morimoto Las Vegas at MGM Grand, Morimoto Napa in California, Momosan Ramen and Sake, and the new MM by Morimoto in Montclair, New Jersey, which opened in July 2025 at the historic Vail Mansion. Born 26 May 1955 in Hiroshima, Japan, Morimoto trained as a traditional sushi chef in Hiroshima before moving to New York in 1985 at age 30.

Morimoto rose to international prominence as the executive chef at Nobu New York from 1994 through 2001, working under Nobu Matsuhisa during the period when Nobu was being established as the defining Japanese fine-dining brand in the United States. Morimoto opened his own flagship Morimoto restaurant in Philadelphia in 2001 and followed with Morimoto New York in 2006 at 88 10th Avenue in Chelsea. His public breakthrough came through Iron Chef Japan (Iron Chef Japanese Cuisine from 1998) and Iron Chef America on Food Network (2005-2017). In 2025 he appears on Sushi Master on Hulu, discussed on Good Morning America in April 2025. Morimoto by Sea on Holland America Line’s Nieuw Amsterdam brings his Japanese-fusion cooking to cruise-line dining.

TL;DR

  • Japanese-American chef born 26 May 1955 in Hiroshima, Japan
  • Traditional sushi training in Hiroshima before moving to New York in 1985
  • Executive chef at Nobu New York 1994-2001 under Nobu Matsuhisa
  • Flagship Morimoto restaurants in Philadelphia (2001), New York (2006), Napa, Las Vegas, Orlando, Hawaii, Boca Raton
  • July 2025: Opens MM by Morimoto in Montclair NJ at the Vail Mansion
  • Iron Chef Japan 1998-1999; Iron Chef America 2005-2017; Sushi Master on Hulu 2025

Masaharu Morimoto key facts

Born26 May 1955, Hiroshima, Japan
NationalityJapanese-American
Flagship restaurantMorimoto New York, 88 10th Avenue, Chelsea, Manhattan (opened 2006)
TrainingTraditional sushi apprenticeship in Hiroshima; executive chef at Nobu New York 1994-2001
Restaurant groupMorimoto NY, Philadelphia, Napa, Las Vegas, Orlando, Boca Raton; Momosan Ramen; MM Montclair; Morimoto by Sea
TelevisionIron Chef Japan 1998-1999; Iron Chef America 2005-2017; Sushi Master on Hulu 2024-2025
New venue 2025MM by Morimoto opened July 2025 at the Vail Mansion in Montclair, New Jersey

Early life and training of Masaharu Morimoto

Morimoto was born on 26 May 1955 in Hiroshima, Japan, ten years after the atomic bombing that destroyed the city. His father owned a small fish shop in Hiroshima. As a teenager Morimoto initially pursued a career as a baseball catcher and was scouted by professional Japanese teams before a shoulder injury ended the athletic path. He turned to cooking in his late teens and took an apprenticeship at a sushi restaurant in Hiroshima, following the traditional Japanese sushi-chef training model of extended apprenticeship before being trusted to prepare and serve fish.

By his late twenties Morimoto had reached a senior sushi-chef position in Hiroshima, and in 1985 he moved to New York City at age 30 to expand his career internationally. He initially worked at various Japanese restaurants in New York, and in 1987 took a position at the new Sony Club, the Japanese corporate members club in Midtown. The Sony Club period gave him access to American Japanese-fusion dining at its earliest stages and trained him for the work he would do at Nobu from 1994.

In 1994 Morimoto joined Nobu New York as executive chef, working directly under Nobu Matsuhisa during the period when Nobu was being established as the defining Japanese fine-dining brand in the United States. The seven-year Nobu New York period (1994-2001) shaped Morimoto’s approach to Japanese fusion directly and gave him the platform from which he would launch his own restaurant group. In 1998 he began competing on Iron Chef Japan (Iron Chef Japanese Cuisine), becoming one of the defining chefs of the show’s late era.

Masaharu Morimoto career timeline

  • 26 May 1955: Born in Hiroshima, Japan
  • Late 1970s: Sushi apprenticeship in Hiroshima
  • 1985: Moves to New York City at age 30
  • 1987: Joins Sony Club in Midtown Manhattan
  • 1994: Becomes executive chef at Nobu New York under Nobu Matsuhisa
  • 1998-1999: Competes as Iron Chef on Iron Chef Japan (Iron Chef Japanese Cuisine)
  • 2001: Leaves Nobu New York; opens first Morimoto restaurant in Philadelphia
  • 2005: Begins as Iron Chef Morimoto on Iron Chef America (Food Network; continuous through 2017)
  • 2006: Opens Morimoto New York at 88 10th Avenue, Chelsea, designed by Tadao Ando
  • 2009: Opens Morimoto Waikiki in Hawaii
  • 2010: Opens Morimoto Napa in California
  • 2011: Opens Morimoto Las Vegas at MGM Grand Hotel and Casino
  • 2015: Opens Morimoto Asia at Disney Springs, Orlando (pan-Asian format)
  • 2016: Launches Momosan Ramen and Sake in New York and other US cities
  • 2019: Opens Morimoto in Boca Raton, Florida
  • 2020: Morimoto Waikiki closes
  • 2023: Morimoto by Sea opens on Holland America Line’s Nieuw Amsterdam
  • 2024-2025: Appears on Sushi Master on Hulu (promoted on Good Morning America April 2025)
  • July 2025: Opens MM by Morimoto at the Vail Mansion in Montclair, New Jersey
  • 2025-2026: Portfolio continues operating across New York, Philadelphia, Napa, Las Vegas, Orlando, Boca Raton, Montclair, plus Morimoto by Sea

Masaharu Morimoto signature style: Japanese technique through American ingredients

Morimoto’s central argument, developed at Nobu New York under Nobu Matsuhisa and refined in his own restaurants since 2001, is that traditional Japanese technique, especially sushi and kaiseki, can be applied to American and international ingredients to create a distinctive Japanese-fusion register. The Morimoto menu has built on this argument for more than two decades: sushi and sashimi prepared with traditional Japanese technique using American-sourced fish and occasional non-Japanese ingredients, alongside signature creations like tuna pizza that deliberately blend Japanese and American registers.

The second defining element is the Tadao Ando-designed Morimoto New York space at 88 10th Avenue. When Morimoto opened the New York flagship in 2006, he commissioned the Pritzker-winning Japanese architect Tadao Ando to design the dining room, producing one of the most-photographed restaurant spaces in Manhattan. The architectural investment signalled that Japanese-fusion could be presented at serious design level, and the space remains a reference point in New York restaurant design.

The third pillar is public voice through Iron Chef. Morimoto competed on Iron Chef Japan from 1998-1999 and then as Iron Chef Morimoto on Iron Chef America from 2005 to 2017, one of the longest runs of any chef on the Food Network programme. The television role sits alongside peers including Michael Symon (fellow Iron Chef America) and Bobby Flay. Morimoto is also one of the few chefs to have competed as Iron Chef in both the original Japanese and the American versions of the show.

Notable dishes at Morimoto

Several Morimoto dishes have become reference points in American Japanese-fusion dining. The Morimoto tuna pizza, a crisp tortilla topped with thin-sliced tuna, anchovy aioli, olives and tomato, is the single most-cited Morimoto signature and has been on the menu since the Philadelphia opening in 2001. The Angry Lobster Pad Thai, developed for Morimoto by Sea, is a more recent signature. The omakase sushi courses at Morimoto New York and the Morimoto Asia duck breast are long-running menu fixtures. Morimoto cookbooks include Morimoto: The New Art of Japanese Cooking (2007) and Mastering the Art of Japanese Home Cooking (2016). The 2024-2025 Sushi Master Hulu series is the defining current visual document of his work.

Masaharu Morimoto on Sushi Master (Good Morning America, April 2025)

Masaharu Morimoto awards and recognition

  • 1998-1999: Iron Chef on Iron Chef Japan (Iron Chef Japanese Cuisine)
  • 2001: Opens first Morimoto restaurant in Philadelphia after leaving Nobu
  • 2005: Begins as Iron Chef Morimoto on Iron Chef America on Food Network
  • 2006: Morimoto New York opens with Tadao Ando-designed dining room
  • 2007: Morimoto: The New Art of Japanese Cooking published
  • 2011: Opens Morimoto Las Vegas at MGM Grand
  • 2015: Opens Morimoto Asia at Disney Springs, Orlando
  • 2016: Launches Momosan Ramen and Sake brand
  • 2023: Morimoto by Sea launches on Holland America Line Nieuw Amsterdam
  • 2024-2025: Appears on Sushi Master on Hulu
  • July 2025: Opens MM by Morimoto at the Vail Mansion in Montclair, New Jersey
  • 2026: International portfolio continues operating; Morimoto remains one of the most recognised Japanese chefs in the United States

Masaharu Morimoto impact on American Japanese cuisine

Morimoto’s most concrete contribution is the 25-year build of the Morimoto restaurant group from the 2001 Philadelphia opening to the 2025 MM Montclair opening. Across that period the group has grown to operate in New York, Philadelphia, Napa, Las Vegas, Orlando, Boca Raton and Montclair, plus Momosan Ramen, Morimoto by Sea and previous venues in Waikiki and elsewhere. Few Japanese chefs have built American restaurant groups of comparable scale, and Morimoto remains one of the most geographically dispersed Japanese fine-dining chefs in the United States.

The second contribution is the Japanese-fusion register developed at Nobu from 1994 to 2001 and carried forward at Morimoto since 2001. Dishes like the tuna pizza, the Morimoto sashimi salad, and the omakase courses blending Japanese technique with American ingredients helped define how American fine-dining audiences encountered Japanese cooking in the 2000s. Within the current Japanese-American fine-dining cohort, Morimoto sits alongside Nobu Matsuhisa (his former mentor), David Chang and others as one of the defining figures.

The third contribution is the long Iron Chef run. Morimoto is one of the few chefs to have competed as Iron Chef in both the Japanese original and the American version of the show, across nearly two decades from 1998 to 2017. The television role placed him alongside Michael Symon, Bobby Flay and the wider Iron Chef America cohort as one of the defining American food-television figures of the 2000s and 2010s.

Masaharu Morimoto FAQ

Where is Morimoto New York?

At 88 10th Avenue in Chelsea, Manhattan, opened in 2006 with a dining room designed by the Pritzker-winning Japanese architect Tadao Ando. The Chelsea flagship is the New York anchor of the Morimoto group and remains open as of 2026.

Did Morimoto work at Nobu?

Yes. Morimoto was executive chef at Nobu New York from 1994 to 2001, working under Nobu Matsuhisa during the period when Nobu was being established as the defining Japanese fine-dining brand in the United States. He left Nobu in 2001 to open his own flagship Morimoto restaurant in Philadelphia.

What is MM by Morimoto?

MM by Morimoto is the new flagship restaurant Morimoto opened in July 2025 at the historic Vail Mansion in Montclair, New Jersey. The restaurant serves Japanese-American fusion cooking including premium steaks, sushi, and signature items like tuna pizza and Tacos Two Ways, and represents Morimoto’s return to freestanding restaurant formats after several years focused on hotel, casino and cruise partnerships.

Was Morimoto on Iron Chef?

Yes. Morimoto competed as Iron Chef on Iron Chef Japan (Iron Chef Japanese Cuisine) from 1998 to 1999, and then as Iron Chef Morimoto on Iron Chef America on Food Network from 2005 through 2017. He is one of the few chefs to have competed as Iron Chef in both the original Japanese and the American versions of the show.

What is Morimoto by Sea?

Morimoto by Sea is the restaurant Morimoto operates on Holland America Line’s Nieuw Amsterdam cruise ship since 2023. The menu features Morimoto signatures including Angry Lobster Pad Thai and traditional sushi courses, adapted for cruise-line dining.

What is next for Masaharu Morimoto

Following the July 2025 MM by Morimoto opening in Montclair, Morimoto continues to operate restaurants in New York, Philadelphia, Napa, Las Vegas, Orlando and Boca Raton, alongside Momosan Ramen locations and Morimoto by Sea. The 2024-2025 Sushi Master Hulu series continues and his public appearances on Good Morning America and other American food-television continue. His public Instagram (@chef_morimoto) is the best source for current updates.