Dat Au is a eTelecom chuyên về Zalo Official Account, ZNS, ZCC & Zalo Mini App và phần mềm tổng đài / Call Center at eTelecom. Colleagues describe them as "Many people are good in tech and many good in business but rather less people can do well either. At the beginning, Dat was a Java developer and he found out that he could do better as an "architecture" than. Together, we build, drive and run VHT since 2007 to aim the leading and expert in mobile marketing & customer-care solutions in Vietnam. If you need an awesome guy to coffee talk about business mind in technology major, absolutely ping Dat."