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Gurbaksh Chahal

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Gurbaksh Singh Chahal
Gurbaksh Singh.jpg
Gurbaksh Chahal at 2019
Born (1982-07-17) July 17, 1982 (age 37)[1]
ResidenceNew York City
OccupationEntrepreneur, Founder, Philanthropist
Years active1998–present
Known forFounder of BlueLithium, RadiumOne, Gravity4

Gurbaksh Singh Chahal (born July 17, 1982) is an Indian-American internet entrepreneur. By age 25, Chahal founded two internet advertising companies, ClickAgents and BlueLithium.[2] He is also the founder of RadiumOne and Gravity4, also online advertising technology companies.

Chahal has a history of committing domestic violence and battery crimes.[3][4][5][6]

Early life

Chahal was born in Tarn Taran Sahib, a city in India’s Punjab state. At age four he moved with his family to San Jose, California. Chahal dropped out of high school at age sixteen to pursue a career in Internet advertising.[7]


Chahal’s first venture was ClickAgents, an advertising network focused on performance-based advertising. In 2000, two years after Chahal started the company, ValueClick (now part of Alliance Data) paid 5.3 million of its shares to purchase ClickAgents.[8]

In 2004, Chahal formed BlueLithium. The company specialized in behavioral targeting of banner advertising, a process that tracks web users' habits online in order to show ads they are most likely to click.[9] In 2007, Yahoo! bought Blue Lithium for $300 million in cash.[10]

In 2009, Chahal started RadiumOne, an online ad company that focused on creating a new category of real-time advertising.[11][12] RadiumOne was later acquired by RhythmOne.[13] Later, he launched his fourth technology company in online advertising, named Gravity4 in July 2014.[14][15]

Chahal has appeared on television show The Oprah Winfrey Show and Fox TV reality show The Secret Millionaire.[16][17][18]. In 2013, He received the Leaders in Managemnet Award by Pace University along with an Honorary Doctorate degree in commercial science and Ernst & Young Entrepreneur of the Year Award in 2013.[16][19][20]


After the Wisconsin Sikh temple shooting, Chahal founded the Chahal Foundation. The foundation is designed to create awareness campaigns to stop future hate crimes, provide scholarships, support disaster relief efforts, and improve schools in third-world countries.[21]

Domestic violence and battery conviction

In August 2013, Chahal was charged by the San Francisco District Attorney's Office with domestic violence.[22] On April 16, 2014, Chahal pleaded guilty to one charge of domestic violence battery and one charge of battery, for which he was sentenced to three years' probation, a 52-week domestic violence training course, and 25 hours of community service.[23] After this domestic violence incident, Chahal was fired as CEO of RadiumOne by the company's board of directors on April 27, 2014.[24][25][4]

In 2016, after evidence emerged of a second domestic violence incident, a court found he had violated his probation. Chahal was sentenced to one year in jail, but the sentence was stayed pending appeal.[26][27] In April 2018, a California state appeals court upheld the 2016 ruling. The court found Chahal guilty of violating his probation when he attacked a woman a year after his domestic violence conviction for beating a different girlfriend in his San Francisco penthouse.[6] He spent six months in San Francisco County Jail for the probation violation.[28]


  • The Dream: How I Learned the Risks and Rewards of Entrepreneurship and Made Millions, Palgrave Macmillan (October 23, 2008) ISBN 0-230-61095-1


  1. ^ "Find People, Lookup Phone Numbers, Run Background Checks, Access Public Records". Retrieved 2015-03-01.
  2. ^ Ferenstein, Gregory (2011-03-29). "RadiumOne CEO on His McDonald's Rejection, Social Ads, and Do-Not-Track Legislation | Fast Company | Business + Innovation". Fast Company. Retrieved 2015-03-01.
  3. ^ Hoge, Patrick (April 17, 2014). "Ad mogul Gurbaksh "G" Chahal pleads guilty to two misdemeanors, all others dismissed in domestic violence case". San Francisco Business Times.
  4. ^ a b Weissmann, Jordan (2014-04-24). "RadiumOne founder: Pleads guilty to domestic abuse". Retrieved 2015-03-01.
  5. ^ Carson, Biz (August 14, 2016) “The rise and fall of Gurbaksh Chahal: How one tech CEO went from fame, fortune, and Oprah's couch to possible jail time.” Business Insider. (Retrieved April 9, 2017).
  6. ^ a b Ma, Annie (April 27, 2018) "Court upholds ruling against SF tech mogul Chahal in domestic violence case." San Francisco Chronicle. (Retrieved June 11, 2018.)
  7. ^ Zinko, Carolyne (October 26, 2008). "Advice from young millionaire Gurbaksh Chahal". San Francisco Chronicle. Retrieved January 6, 2010.
  8. ^ Editors (November 3, 2000) “ValueClick acquires Click Agents.” Advertising Age. (Retrieved April 9, 2017).
  9. ^ "The Times". Retrieved 2015-03-01. (subscription required)
  10. ^ Hendrickson, Mark (September 4, 2007) “Yahoo! Acquires Ad Network BlueLithium.” TechCrunch. (Retrieved April 9, 2017.)
  11. ^ "gWallet raises $12.5M for more ethical virtual currency/offers system | VentureBeat | Business | by Dean Takahashi". VentureBeat. 2009-12-01. Retrieved 2015-03-01.
  12. ^ McMahan, Ty (October 18, 2010). "New Ad Network RadiumOne Aims To Tap Social 'Mega Trend'". The Wall Street Journal.
  13. ^
  14. ^ "Gurbaksh Chahal". HuffingtonPost. 2018-06-09. Retrieved 2018-06-09.
  15. ^ Editors (January 31, 2018) "Name Change Marks Renaissance for Gravity4." (Retrieved June 11, 2016.)
  16. ^ a b "The rise and fall of Gurbaksh Chahal". Business Insider. 2016-08-14.
  17. ^ "Millionaire tech mogul Gurbaksh Chahal faces jail time after losing appeal". San Francisco Chronicle. 2018-08-15.
  18. ^ "First, $99. Then, Millions". The New York Times. 2008-09-06.
  19. ^ "Pace University awards Honorary Doctorate to Internet Star". Pace University. 2010-05-04.
  20. ^ "RadiumOne CEO and Founder Gurbaksh Chahal Awarded as the Ernst & Young Entrepreneur Of The Year(R) 2013 Winner". Yahoo! Finance. 2013-06-25.
  21. ^ Teri Evans (2012-08-21). "Serial Entrepreneur Gurbaksh Chahal Commits $1 Million to Stop Hate Crimes". Retrieved 2015-03-01.
  22. ^ Sabatini, Joshua. "DA: Internet mogul hit girlfriend 117 times over a half-hour period | Crime & Courts | San Francisco | San Francisco Examiner". Retrieved 2015-03-01.
  23. ^ Nagle, Rob (September 9, 2015). "RadiumOne Worked to Save IPO Amid Scandal". Wall Street Journal. Retrieved 10 September 2015.
  24. ^ Swisher, Kara. "Exclusive: CEO Gurbaksh Chahal Fired by RadiumOne Board". Recode. Retrieved 27 April 2014.
  25. ^ "It's time for RadiumOne's abusive CEO to go - Fortune". 2014-04-25. Retrieved 2015-03-01.
  26. ^ Rainey, Libby (12 Aug 2016). "Tech mogul Gurbaksh Chahal gets 1 year in domestic violence case". San Francisco Chroncile. Retrieved 1 November 2016.
  27. ^ Conger, Kate (1 September 2016). "Despite looming jail time, Gurbaksh Chahal is back as Gravity4 CEO". TechCrunch. Retrieved 1 November 2016.
  28. ^ Sernoffsky, Evan (August 31, 2018) "Tearful tech mogul Gurbaksh Chahal jailed for probation violation." San Francisco Chronicle. (Retrieved September 1, 2018.)

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