Cass Sunstein is an amazingly prolific and influential legal scholar. The subjects of his hundreds of articles and more than a dozen books range from constitutional law to animal rights. “If you look at what he’s written and done, he should be 900 years old,” says Scott H. Segal, partner at Bracewell & Guiliani, a law and lobbying firm. In fact, the long-time University of Chicago law professor (now at Harvard) is an affable 54 year old former squash champion with a killer tennis drop shot.

But what makes Sunstein important now is his coming post in the Obama Administration. On April 20, President Barack Obama finally made a formal nomination of Sunstein to be director of the Office of Information Regulatory Affairs (OIRA) in the Office of Management and Budget. In essense, Sunstein will be the nation’s regulatory czar, sitting judgment of the government’s regulations.

What is his regulatory philosophy? What will he do in the White House? Business Week tackled these questions last month in a story about Sunstein.

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