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Supporters Include

Owned and operated by


David Marcus
CEO and Founder

David Marcus is the founder and CEO of Zong, the leading mobile payment service used by online gaming and social networking web sites. Zong is featured in hundreds of top applications on popular social networks like Facebook and MySpace as well as leading virtual worlds and other online gaming sites, such as Gaia Online, IMVU and Outspark.

An experienced entrepreneur, David has created a number of successful venture-backed businesses, including the first alternative telecom carrier in Switzerland, GTN telecom, which he launched in 1996. Under David’s leadership, GTN became one of the top three alternative carriers in Switzerland and was acquired by World Access in 2000. In 2003, David co-founded VOX telecom, a leading VoIP and wholesale carrier which services over 60% of the largest incumbent carriers globally. David also spearheaded the creation of echo6 in 2006, now one of the most successful mobile entertainment companies in France. In March 2008, David co-founded Twitterfone, the popular and free service that converts a voice message into Twitter updates from any mobile phone.







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