Narayanan Shivakumar is Google's Distinguished Entrepreneur and currently at Google's Seattle-Kirkland R&D Center. Earlier, he was an Engineering Director and launched AdSense, Sitemaps , Google Search Appliances and other key products. An online video of Shivakumar's keynote at Google Developer Day, Beijing June'07.

Before he joined Google in its early days, he obtained his PhD in Computer Science from Stanford University. His advisor was Prof. Hector Garcia-Molina. Before Google, he cofounded Gigabeat.com, an online music startup acquired by Napster. Shivakumar's personal webpage.