Billionaire Profile
Yoshiko Mori
Global Rank
#1364

Image: Public domain | via Wikimedia Commons

Yoshiko Mori

CEO, Mori Building Co., Ltd.
JP
Real-Time Net Worth
$2.9B
As of December 2025
Age
85
Source
Real estate
Industry
real-estate
Citizenship
JP

Biography

Yoshiko Mori, born May 23, 1941, is a prominent Japanese businesswoman renowned for her significant contributions to the real estate sector and her dedication to philanthropy. As the widow of Minoru Mori, the real estate tycoon, Yoshiko inherited part of his estate, including a share of Mori Building Company. Her career and wealth source are primarily rooted in Real estate. She is recognized for her involvement in landmark developments such as the Roppongi Hills complex in Tokyo and the Shanghai World Financial Center. Beyond her business acumen, she is celebrated for her philanthropic endeavors, particularly in education, culture, and disaster relief, including the establishment of the Mori Art Museum. As of December 4, 2025, Yoshiko Mori's estimated net worth is $2.89 billion, and she holds the 1364th position globally among billionaires.

Wealth Over Time

In-Depth Profile

Early Life

Yoshiko Mori was born in Kobe, Japan, on May 23, 1941. Details about her early life and education are not widely available in the search results.

Rise to Success

Yoshiko Mori's journey to success is closely tied to her late husband, Minoru Mori. After his passing in 2012, she inherited a portion of his estate, including a stake in the Mori Building Company. The company, founded by Taikichiro Mori, has a long history in real estate development. Under Yoshiko's leadership, Mori Building has continued to thrive, managing numerous office facilities in Japan and China. Her involvement in projects such as the Shanghai World Financial Center and the development of Azabudai Hills demonstrates her impact on the industry.

Key Business Strategies

Mori Building is known for its focus on large-scale integrated urban developments in prime locations. The company's strategy includes the development and management of "Hills" branded projects, such as Roppongi Hills and the Toranomon Hills development. The recent completion of the Azabudai Hills project, a $4 billion complex in Tokyo, further showcases Mori Building's commitment to creating innovative urban spaces. The company also focuses on sustainability and provides various employee benefits.

Philanthropy

Yoshiko Mori is recognized for her philanthropic efforts, particularly in culture and education. She has supported initiatives related to education, culture, and disaster relief. A notable contribution is the Mori Art Museum in Tokyo, which fosters contemporary art and cultural exchange. She was also awarded the Honorary OBE for her contributions to UK-Japan culture and education.

Career Milestones

2012

Inherited Mori Building

Following her husband Minoru Mori's death, Yoshiko inherited part of his estate, including a share of Mori Building.

2005

Established the Mori Art Museum

Established in Tokyo to foster creativity and cultural exchange.

2023

Opened Azabudai Hills

Opened the Azabudai Hills complex in Tokyo, including Japan's tallest building.

2025

Awarded Honorary OBE

Awarded an Honorary OBE (Officer of the Most Excellent Order of the British Empire) by His Majesty King Charles III in recognition of her contribution to UK-Japan culture and education.

Philanthropy & Social Impact

Culture

Mori Art Museum

Undisclosed

A museum for contemporary art located in Tokyo.

Business Philosophy & Leadership

Notable Quotes

""Allow me to express what a great honor it is to be selected for this distinguished award. My involvement in cultural exchange between Britain and Japan for many years has included as Chairperson of the Mori Art Museum...""

Leadership Principles

Commitment to Urban Development

Mori Building focuses on large-scale integrated urban developments in prime locations of Tokyo.

Emphasis on Sustainability

The Mori Building group supports and respects the fundamental rights of workers and has implemented various sustainability initiatives.