Billionaire Profile
William Stone
Global Rank
#1235

Image: Tompkins Harrison Matteson | Public domain | via Wikimedia Commons

William Stone

CEO, Software
UNITED STATES
Real-Time Net Worth
$3.41B
Estimated based on Software stock value as of March 6, 2026
+0.31% (24h)
Age
70
Source
Software
Industry
Technology
Citizenship
UNITED STATES

Biography

William Stone is the Chairman and Chief Executive Officer (CEO) of SS&C Technologies (NASDAQ: SSNC), a global provider of software and services to the financial services and healthcare industries. Born in Evansville, Indiana, in 1955, Stone's journey began in 1986 when he founded SS&C Technologies with $20,000 saved from his career at KPMG. His vision led to the company's IPO in 1996 and a second public offering in 2010, navigating challenges such as the dot-com crash and refocusing the company's strategy. Stone's estimated net worth is $3.6 billion, placing him among the world's wealthiest individuals. He holds a significant stake in SS&C Technologies and is known for his leadership, including his strategic acquisitions and focus on innovation. Stone is married to Mary Stone and they have three children.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

William (Bill) Charles Stone was born and raised in Evansville, Indiana. He graduated from Reitz Memorial High School in 1973 and attended Marquette University, where he received a Bachelor of Business Administration in 1977.

Rise to Success

Stone began his career at KPMG, a financial services consultancy and accounting firm, where he eventually became a director. In 1986, at the age of 30, Stone founded SS&C Technologies in Connecticut. Starting with just four employees, the company quickly grew, reaching revenues of $18 million within a decade. SS&C Technologies went public in 1996. Stone navigated the company through the dot-com crash, took the company private in 2005 and then public again in 2010.

Key Business Strategies

Stone's success is rooted in strategic acquisitions and a focus on innovation. Under his leadership, SS&C Technologies expanded its product offerings and global reach. He refocused the company and added services such as data centers.

Philanthropy

Bill and his wife, Mary, have been involved in philanthropy. In 2018, they donated $15 million towards the Stone Family Center for Health Sciences. In 2021, they gifted $34.2 million to establish the Mary O'Daniel Stone and Bill Stone Center for Child and Adolescent Psychiatry at IU School of Medicine-Evansville.

Career Milestones

1977

Began Career at KPMG

Started career at financial services consultancy and accounting firm KPMG.

1986

Founded SS&C Technologies

Founded SS&C Technologies in Connecticut.

1996

SS&C Technologies IPO

Navigated the firm's initial public offering (IPO).

2005

Took SS&C Private

Took the company private during the dot-com crash.

2010

SS&C Technologies Goes Public Again

The company was listed publicly for the second time.

Philanthropy & Social Impact

Education & Health

Stone Family Center for Health Sciences

$15M

Donated towards a multi-institutional initiative in downtown Evansville.

Health

Mary O'Daniel Stone and Bill Stone Center for Child and Adolescent Psychiatry

$34.2M

Gifted to establish a center at IU School of Medicine-Evansville.

Education

NJ Stone Baseball Field

Undisclosed

Funded the baseball field at Evansville Memorial High School.

Health

Patricia Browning Stone Sensory Playground

Undisclosed

Helped fund the sensory playground at St. Vincent's Center for Children.

Business Philosophy & Leadership

Notable Quotes

"Under Bill Stone's leadership, SS&C Technologies has achieved remarkable growth and success."

Leadership Principles

Strategic Focus

Focus on innovation and strategic acquisitions.

Adaptability

Navigating the company through market changes.

Community Engagement

Active philanthropy and community involvement.