The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomeBusiness & MoneyEntrepreneurMichael Rubin
Business & Money • Entrepreneur

Michael Rubin

Michael Rubin is an American entrepreneur best known as the founder and CEO of Fanatics, a global digital sports platform focused on licensed merchandise, trading cards, collectibles, and sports wagering.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Michael Rubin is an American entrepreneur best known as the founder and CEO of Fanatics, a global digital sports platform focused on licensed merchandise, trading cards, collectibles, and sports wagering. He is also the founder of GSI Commerce, which he sold to eBay in 2011, and serves as co-chair of REFORM Alliance, a criminal justice reform organization.

Early life and education

Rubin was born in Philadelphia, Pennsylvania on July 21, 1972. He earned a degree from Yale University.

Business career

Rubin is best known for founding Fanatics, a sports platform that has expanded from licensed merchandise into trading cards, memorabilia, live events, and sports wagering. He previously founded GSI Commerce, which was acquired by eBay in 2011 for US$2.4 billion. His business involvements have also included ownership stakes in sports teams such as the Philadelphia 76ers and New Jersey Devils.

Philanthropy and advocacy

Rubin is co-chair of REFORM Alliance, an organization focused on criminal justice reform and probation-law reform in the United States. He also helped create the ALL IN Challenge, a fundraising effort that raised money during the COVID-19 pandemic.

Wealth and recognition

Rubin appears on billionaire rankings and has been described as one of the most influential figures in sports business. His net worth estimates vary across sources, with Bloomberg reporting Fanatics was valued at about US$30.6 billion in December 2024. Sources place his net worth in the range of approximately US$10.6 billion to US$11.5 billion, largely tied to his stake in Fanatics.

Key facts

  • Rubin founded Fanatics, which has expanded from licensed sports merchandise into trading cards, memorabilia, live events, and sports wagering.
  • He founded GSI Commerce, which was sold to eBay in 2011 for US$2.4 billion.
  • He is co-chair of REFORM Alliance, an organization focused on criminal justice reform.
  • Bloomberg reported that Fanatics was valued at about US$30.6 billion in December 2024, with Rubin’s wealth largely tied to his stake in the company.
  • Sources differ on his net worth, with estimates in the range of roughly US$10.6 billion to US$11.5 billion.
🍁
Canadian context

Rubin’s businesses are U.S.-based, but Fanatics operates in major North American sports markets and its merchandise, collectibles, and wagering-related products are relevant to Canadian sports fans and consumers.

Frequently asked questions

What is Michael Rubin known for?
He is best known as the founder and CEO of Fanatics and as the founder of GSI Commerce.
What does Fanatics do?
Fanatics is a sports platform that sells licensed merchandise and has expanded into trading cards, collectibles, live events, and sports wagering.
What is REFORM Alliance?
REFORM Alliance is an organization focused on criminal justice reform and probation-law reform in the United States.
What company did Michael Rubin sell to eBay?
He sold GSI Commerce to eBay in 2011 for US$2.4 billion.
Is Michael Rubin a billionaire?
Yes. He appears on billionaire rankings, and sources place his net worth in the low double-digit billions of U.S. dollars.

References

  1. Forbeshttps://www.forbes.com/profile/michael-rubin/
    Supports: Identifies Rubin as founder and CEO of Fanatics.
  2. Bloomberghttps://www.bloomberg.com/billionaires/profiles/michael-g-rubin/
    Supports: Provides billionaire profile, Fanatics valuation context, and net worth background.
  3. U.S. House of Representativeshttps://docs.house.gov/meetings/FA/FA18/20160419/104817/HHRG-114-FA18-Bio-RubinM-20160419.pdf
    Supports: Biographical details including Yale education, Pentagon work, and historical publications.
  4. Detroit Free Presshttps://www.detpress.com/storage/uploads/5A/28/5A28D7B0-76AB-B52B-3175-0BFF3106BDE6/Shark_Tank_S15_Michael_Rubin_Bio_2023-2024.pdf
    Supports: Biography covering Fanatics, GSI Commerce sale, REFORM Alliance, and ALL IN Challenge.
  5. REFORM Alliancehttps://www.reformalliance.com/meet-reform/michael-rubin/
    Supports: States Rubin is an entrepreneur, philanthropist, social justice advocate, and Fanatics founder/CEO.
  6. Wikipediahttps://www.wikipedia.org/wiki/Michael_Rubin_(businessman)
    Supports: Lists birth date, birthplace, and roles including founder/CEO of Fanatics and co-chair of REFORM Alliance.
  7. South China Morning Posthttps://www.scmp.com/magazines/style/entertainment/article/3241464/meet-michael-rubin-your-favourite-billionaires-billionaire-he-met-rapper-meek-mill-nba-game-then
    Supports: Reports net worth estimate and background on GSI Commerce sale and Fanatics.