Daniel Sigman is an American geoscientist

Geoscientist

*For the Geological Society Magazine see Geoscientist *For Geoscientist see Earth science...

, and the Dusenbury Professor of Geological and Geophysical Sciences in at Princeton University

Princeton University

Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

. Sigman received a MacArthur Foundation "genius grant" in 2009.

He graduated from Stanford University

Stanford University

The Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private research university on an campus located near Palo Alto, California. It is situated in the northwestern Santa Clara Valley on the San Francisco Peninsula, approximately northwest of San...

 with a B.S. in 1991, and from the Massachusetts Institute of Technology

Massachusetts Institute of Technology

The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

/Woods Hole Oceanographic Institution’s Joint Program in Oceanography, with a Ph.D. in 1997.

He studies past ice ages, to better understand our current climate warming.