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Alfredo Botelho serves as the Senior Director of Technology at QuinStreet, Inc. since July 2004 and has been a Senior Engineer at Network Associates, Inc. since 1997. Botelho co-founded Zedo, Inc. and held the position of CTO from November 1999 to January 2004, where the development of a third-generation scalable ad server occurred. Additionally, Botelho co-founded Zedo India PVT Ltd from 2000 to 2004. Earlier experience includes a tenure at Network Associates, McAfee, as a Senior Engineer from February 1997 to November 1999, where contributions were made to the development of the company's first enterprise firewall, and a position as a Senior Engineer at Wipro Technologies from 1993 to 1996.