Hal Varian

Hal Ronald Varian (born March 18, 1947, in Wooster, Ohio) is Chief Economist at Google and holds the title of emeritus professor at the University of California, Berkeley where he was founding dean of the School of Information. Varian is an economist specializing in microeconomics and information economics.

Varian joined Google in 2002 as its chief economist. He played a key role in the development of Google's advertising model and data analysis practices. Provided by Wikipedia