From the Editor
  • Masaaki Arai is the founder, president and CEO of Tokyo property developer and agent Open House Group.
  • His company focuses on providing homes for people in bigger Japanese cities such as Tokyo. Its motto is "Let's find a house in Tokyo."
  • The company was founded in 1997 and went public in 2013.
  • It has sold more than 60,000 homes in the Tokyo metro area.
  • The business, which had $8.6 billion in annual revenue in the fiscal year ended September 2024, has expanded to the U.S. targeting affluent Japanese investors.
Wealth History
HOVER TO REVEAL NET WORTH BY YEAR
Personal Stats
Age
59
Source of Wealth
Real estate, Self Made
Residence
Tokyo, Japan
Citizenship
Japan
Related People & Companies
Don Peebles
Don Peebles
Related by origin of wealth: Real estate
View Profile
Open House
Open House
Holds stake in Open House
View Profile
Japan
Japan
Citizen of Japan
View Profile
Robert & Philip Ng
Robert & Philip Ng
Related by origin of wealth: Real estate
View Profile
Harry Triguboff
Harry Triguboff
Related by origin of wealth: Real estate
View Profile
Manuel Villar
Manuel Villar
Related by origin of wealth: Real estate
View Profile

More on Forbes

Sep 23, 2025

Raising Cane's: The Origin Story Of This $22 Billion Empire

In his early 20s, Todd Graves, dismissed by banks as a naive kid with a bad idea, turned his fanatic vision for chicken fingers into Raising Cane's. Now, Graves is worth $22 billion, and with over 900 locations, Raising Cane’s is one of America's fastest-growing fast-food chains.