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WASHINGTON -- Austan Goolsbee, a longtime adviser to President Barack Obama, will resign his post as the chairman of the Council of Economic Advisers this summer to return to teaching at the University of Chicago Graduate School of Business, the White House announced Monday.

Obama called him "one of America's great economic thinkers."

Goolsbee has been the face of the White House on economic news, and is a regular every first Friday of the month explaining the administration's take on the latest jobless numbers.

He brought a mix of levity and a teacher's sensibility to the job, using the White House blog, Facebook or YouTube to illustrate tax cuts, trade, or the auto industry resurgence on a dry-erase board with a dry wit and a gravel voice. He has been at Obama's side for years. He advised Obama during his 2004 Senate race and was senior economic policy adviser during the 2008 presidential campaign and has served on the three-member economic council since the start of the administration.

"Since I first ran for the U.S. Senate, Austan has been a close friend and one of my most trusted advisers," Obama said. "Over the past several years, he has helped steer our country out of the worst economic crisis since the Great Depression, and although there is still much work ahead, his insights and counsel have helped lead us toward an economy that is growing and creating millions of jobs."

Goolsbee took over last September as council chairman, replacing Christina Romer, who left to return to a teaching position at the University of California, Berkley.

He had taught at the University of Chicago for 14 years. His university biography once described him as "insanely committed to his work," noting that Goolsbee was seen in the classroom, wearing a tuxedo, on the day of his wedding.