Yoyi.com was founded four years ago to deliver data-driven digital advertising. Kwok explained that Yoyi’s business scope focuses on internet tracking and optimisation, working with e-commerce clients on their ROI in terms of branding and performance marketing through targeted advertising.
By leveraging its database of 300 million of browser cookies and user behavior, the company uses its proprietary targeting and optimisation technologies to process huge amounts of data to predict the likelihood of responses from individual users and find the audiences that its clients want.
According to the company’s website, over 400 global brands, including Microsoft, Intel, and Audi, have used the group's end-to-end marketing services.
The company also have investments from venture capital companies like Streaboat Patners, Gobi Partners and Oak Investment Partners.
Yoyi is based in Beijing with offices in Shanghai and Guangzhou. It hosts 200 and 80 employees in its Beijing and Shanghai offices, respectively.
Kwok is an 18-year media industry veteran in China and Hong Kong and was one of the founding members of ZenithOptimedia from its inception in 1996.
Kwok commented that Yoyi has great potential with a huge audience database. "I hope to combine my extensive media industry experience with the new media to create a new marketing model," he said.
According to iResearch, the internet advertising market in Q2 in 2011 has reached over US$1.6 billion (RMB10 billion).
Reported on 2 September, Roy Zhou Wenbiao, former director of Google Adsense sales and operations for Asia-Pacific, has taken the position of president at Yoyi Media.
Examples of senior agency veterans leaving the agency life to join the booming digital companies in China have also included Frank Lin, an ex-media director of McDonald's China who joined digital start-up Starnet as chief operation officer. Also, reported last September, Billboard Kwok, former managing director of Euro RSCG 4D China took up the CMO for Chinese B2C e-commerce company DangDang.com.