The richest people in Massachusetts are getting even richer, according to Forbes - Boston Business Journal
Richest Billionaires In The United States, 2019 - CEOWORLD magazine
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Alan Trefler: The chess master turned global chief executive - BBC News
The 50 richest people in Massachusetts: Patriots owner Robert Kraft, Boston Beer Company founder Jim Koch among wealthiest in Bay State - masslive.com
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Report: 20 Mass. billionaires see net worth jump significantly during coronavirus pandemic – Boston News, Weather, Sports | WHDH 7News
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Bay State Billionaires Reap Wealth Gains of 46 Percent During Pandemic - Inequality.org
These 10 people from Mass. made the Forbes Billionaire List
Pegasystems misses 3d-period estimates - The Boston Globe
The 10 richest people in Massachusetts via the Forbes billionaires list – Boston 25 News
These 10 people from Mass. made the Forbes Billionaire List
Forbes Ranks 18 Billionaires In MA, All $64 Billion Worth | Boston, MA Patch
Yahoo's Jerry Yang, Rivian's RJ Scaringe, The Winklevoss Twins: Here's Who Fell Off The 2022 Forbes 400 List Of Richest Americans
10 Things You Didn't Know about Alan Trefler
Pegasystems CEO says we are in age of citizen developers - Times of India
Meet The Richest In Massachusetts: The Forbes 400 | Boston, MA Patch
Alan Trefler - Founder & CEO @ Pegasystems - Crunchbase Person Profile
These 10 people from Mass. made the Forbes Billionaire List
How Billionaire Alan Trefler's Job In Restoration Prepared Him For Corporate Success | Forbes - YouTube
Cloud Growth Drives Pega Through $1 Billion Milestone in 2020
Alan Trefler: The chess master turned global chief executive - BBC News
2018 Forbes 400: These are the richest people in Massachusetts - masslive.com
