Billionaire Profile
Diane Kemper
Global Rank
#3027

Image: Public domain | via Wikimedia Commons

Diane Kemper

CEO, Solil Management
US
Real-Time Net Worth
$1.1B
As of December 2025
Age
80
Source
Real estate
Industry
real-estate
Citizenship
US

Biography

Diane Kemper, born in 1946, is an 80-year-old American real estate magnate and philanthropist. Following in the footsteps of her father, Sol Goldman, a prominent figure in New York City's real estate during the 1980s, Kemper has built an impressive career in the industry. Her primary source of wealth stems from her substantial real estate holdings, managed through Solil Management, which owns an extensive portfolio of properties, including iconic landmarks in New York City. Kemper's estimated net worth is $1.1 billion, and she is recognized for her contributions to philanthropy, particularly in education, health, and environmental conservation.

Wealth Over Time

In-Depth Profile

Early Life

Diane Goldman Kemper was born in 1946 to Lillian (née Schuman) and Sol Goldman in New York City. Her father, Sol Goldman, was a dominant force in the New York real estate market, accumulating a vast portfolio of nearly 1900 commercial and residential properties. Kemper grew up in a Jewish family alongside her siblings Allan H. Goldman, Jane Goldman, and Amy Goldman Fowler.

Rise to Success

Diane Kemper has made a name for herself in the real estate industry. She owns one of the largest private real estate portfolios in the United States through her company, Solil Management. The portfolio includes prestigious properties such as the land under the Olympic Tower and the Cartier Building, The Peninsula Hotel New York, and a significant portion of the land under the World Trade Center complex. Diane headed the residential leasing department for several decades.

Key Business Strategies

Diane Kemper, along with her siblings, continued the legacy of their father, Sol Goldman, by maintaining and expanding their real estate holdings. The family has preserved their investments, rarely selling properties. Solil Management, under her leadership, focuses on managing a diverse portfolio of properties in New York City and beyond.

Philanthropy

Diane Kemper is known for her philanthropic endeavors, particularly in education, health, and environmental conservation.

Career Milestones

1946

Birth

Born to a Jewish family in New York City.

1971

Marriage

Married attorney Kenneth D. Kemper in Manhattan.

1980s

Residential Leasing Head

Headed the residential leasing department for several decades.