Billionaire Profile
Alan Trefler
Global Rank
#961

Image: Public domain | via Wikimedia Commons

Alan Trefler

CEO, Pegasystems
US
Real-Time Net Worth
$4.2B
As of December 2025
Age
69
Source
Software
Industry
technology
Citizenship
US

Biography

Alan Trefler is an American billionaire businessman and chess master, best known as the founder and CEO of Pegasystems. Born in 1956, Trefler's wealth source is software. His career began after graduating from Dartmouth College with degrees in economics and computer science. He founded Pegasystems in 1983, growing it into a global enterprise. Trefler has been recognized for his leadership, including the Stevie Award for Computer Software CEO of the Year. His achievements include the development of a unique rules-based architecture for Pegasystems' software. Trefler is also known for his philanthropic work through The Trefler Foundation.

Wealth Over Time

In-Depth Profile

Early Life

Alan Trefler was born in Boston, Massachusetts, in 1956. He grew up in Brookline, Massachusetts, with his brother. His parents were Dorothy, who worked as a schoolteacher, and Eric Trefler, a Holocaust survivor who owned an art and furniture restoration business. Trefler showed an early aptitude for chess and became the Massachusetts high school champion, winning several regional competitions.

Rise to Success

Trefler graduated from Brookline High School in 1973 and went on to Dartmouth College, where he studied economics and computer science. In 1975, at age 19, he tied for first place in the World Open Chess Championship. After college, he worked as a software engineer. In 1983, at the age of 27, Trefler founded Pegasystems, serving as CEO and chairman. The company went public on NASDAQ in 1996.

Key Business Strategies

Trefler's leadership has been instrumental in Pegasystems' growth. Key strategies include the development of a rules-based architecture and strategic acquisitions, such as Chordiant. His focus on customer success and innovation in AI has positioned Pegasystems as a leader in customer relationship management and business process management software.

Philanthropy

Trefler and his wife established The Trefler Foundation in 1997, focusing on improving urban public education in the Boston area. They have also supported organizations like Year Up and founded Union & Fifth, where proceeds from donated clothes benefit various charities.

Career Milestones

1975

World Open Chess Championship

Tied for first place in the World Open Chess Championship.

1977

Graduation from Dartmouth

Graduated from Dartmouth College with a BS in Economics and Computer Science.

1983

Founded Pegasystems

Founded Pegasystems at age 27.

1996

Pegasystems IPO

Took Pegasystems public on NASDAQ.

2009

Stevie Award

Won the Stevie Award for Computer Software CEO of the Year.

2011

Public Company CEO of the Year

Named Public Company CEO of the Year by the Massachusetts Technology Leadership Council.

2014

Authored Build for Change

Authored and published the book 'Build for Change'.

Philanthropy & Social Impact

Education

The Trefler Foundation

$XB

Supports urban public education in the Boston area.

Charity

Union & Fifth

Undisclosed

Proceeds from donated clothes benefit various charities.

Business Philosophy & Leadership

Notable Quotes

"There's always risk when you're doing something the first time, or you're doing something that is hard. Evaluating those risks is key, but you also need to think about the risk of not making a change."

Leadership Principles

Customer Success

Focusing on customer needs and ensuring their success.

Innovation

Continuously seeking new technologies and approaches to improve products and services.

Adaptability

Embracing change and evolving to meet the demands of the market.