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IndustryOnline Advertising
FoundedSeptember 2009
HeadquartersSan Francisco, California, US
Area served
Key people
Gurbaksh Chahal (Founder)
Bill Lonergan (CEO)
ProductsRadiumOne Sharing Analytics
RadiumOne Mobile Analytics
RadiumOne Smart Links
ServicesRTB online advertising
Mobile Analytics
Social Analytics

RadiumOne is a marketing company that provides online display, mobile, video, and social advertising services, aiming to target brand customers through programmatic marketing campaigns. It was first launched in 2009 by Gurbaksh Chahal. The company buys advertising space from websites and mobile applications and resells it in targeted packages to advertisers and agencies. It also creates software that automates the process of media buying for digital marketers. Headquartered in San Francisco, the firm has offices across North America, Europe and Asia.


The company was launched in 2009 by Gurbaksh Chahal as gWallet, a loyalty and rewards program.[1] After CEO Gurbaksh Chahal pleaded guilty to domestic violence battery on April 23, 2014, there were calls for him to step down as CEO.[2][3] He was fired on April 27,[4] and immediately replaced by COO Bill Lonergan on Sunday 27 April 2014.[5]

RadiumOne utilizes data taken from social networking sites such as Twitter and Facebook and uses it to tailor online, video, social and mobile consumer advertising using real-time bidding.[6][7] The startup had initially raised $33.5 million from venture capital funds.l. In June 2015, it raised $54 million to open international offices and expand its technological platform. Revenue for 2015 totalled approximately $200 million, and the company was valued at $500 million.[8][9] In June 2017, RhythmOne, acquired the assets of data-driven marketing platform RadiumOne for US$22m.[10]


Po.st is a social sharing platform for web users and website publishers to share content on social media such as Facebook, Twitter, and StumbleUpon, among others. the product also includes a link shortener built to provide brands with insights on clicking users, therefore segmenting them for paid media targeting. This provides marketers information regarding what content is being copied and pasted into an email or on social media, so-called "dark social" channels.[11][12][13]


  1. ^ "Gurbaksh Chahal turns RadiumOne to gold". San Francisco Chronicle. Retrieved 24 April 2014.
  2. ^ Primack, Dan (April 25, 2014) “It's time for RadiumOne's abusive CEO to go.” Archived 2014-06-01 at the Wayback Machine. CNNMoney. (Retrieved 4-25-2014.)
  3. ^ Weissman, Jordan (April 25, 2014) “Is It OK to Invest in a Company if Its CEO Beats Women?” Slate. (Retrieved 4-25-2014.),
  4. ^ Swisher, Kara. "Exclusive: CEO Gurbaksh Chahal Fired by RadiumOne Board". Recode. recode. Retrieved 27 April 2014.
  5. ^ Lepitak, Stephen. "RadiumOne is 'bigger than one man' says its EMEA MD as company moves forward following Gurbaksh Chahal sacking". TheDrum. TheDrum. Retrieved 28 October 2016.
  6. ^ "RadiumOne finalizes IPO plan as it hits". TechCrunch. Retrieved 24 April 2014.
  7. ^ "Facebook adds another partner to FB Exchange: social ad network RadiumOne". Retrieved 24 April 2014.
  8. ^ O'Reilly, Lara. "RadiumOne — the adtech company recently rumored to be 'struggling' — just raised $54 million". Business Insider. Business Insider. Retrieved 28 October 2016.
  9. ^ Levy, Ari; Johnson, Cory. "Guilty Plea Eight Months After Arrest Fells Startup CEO". Bloomberg. Bloomberg. Retrieved 28 October 2016.
  10. ^ "Adtech company RhythmOne acquires RadiumOne for US$22m". Retrieved 2018-06-13.
  11. ^ Rao, Leena. "RadiumOne Launches Social Sharing Platfom Po.st". Tech Crunch. Tech Crunch. Retrieved 4 November 2016.
  12. ^ Sullivan, Laurie. "RadiumOne Uses URL Shortener Data To Target Display Ads". Online Media Daily. Online Media Daily. Retrieved 4 November 2016.
  13. ^ Cameron, Nadia. "RadiumOne brings programmatic advertising tech platform to Australia". CMO. CMO. Retrieved 4 November 2016.

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