Chi-Chao Chang

Chi-Chao Chang oversees all facets of xAd’s product management and technology development, including overall strategy, identification of new customer segments and advancement of a vibrant local-mobile marketplace.

Before joining xAd, Chi-Chao was at the helm of Yahoo!’s global-search operations and the company’s ongoing relationship with Microsoft. During his time with Yahoo!, he held various senior leadership roles, including Vice President of Products, which put him in charge of product management, research and development, display advertising, analytics, and testing the company’s Sponsored Search and Content Match product lines. Most notably, Chi-Chao built the Yahoo! Mail SpamGuard system and Yahoo!’s Search Assistant, which is the first peer-reviewed search engine. Earlier in his career, he developed software for large-scale distribution systems, networking and grid computing at Microsoft and Lawrence Berkeley Labs.

Chi-Chao’s passion for technology has garnered five patents, and over 15 more filed applications, as well as more than 25 published technical articles. He earned his doctorate in computer science from Cornell University, and speaks regularly at various industry events.


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