At Brandscreen, Tsang will "manage, grow and evangelise" performance display trading, according to an update in his LinkedIn page. He will also support digital planners, advertisers and trading-desk teams at WPP, OMG, Vivaki, and Aegis on funnel attribution and real-time-bidding strategy.
Prior to Brandscreen, Tsang was head of Performics China, operating from ZenithOptimedia's Shanghai office. He joined the media agency in July 2011.
Before that, he was the China country manager and sales director for MediaMind (formerly Eyeblaster), where he managed rebranding initiatives in the local market, the market buy-back and corporate restructure, the deployment of the local IDC and CDN infrastructure, and the introduction of third-party ad-serving with publishers.