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. After CEO Gurbaksh Chahal pleaded guilty to domestic violence battery on April 23, 2014, there were calls for him to step down as CEO. He was fired on April 27, and immediately replaced by COO Bill Lonergan on Sunday 27 April, 2014. 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. 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.