) is a Slovenian cosmologist, a professor of physics at University of California, Berkeley

University of California, Berkeley

The University of California, Berkeley , is a teaching and research university established in 1868 and located in Berkeley, California, USA...

 and University of Zurich

University of Zurich

The University of Zurich , located in the city of Zurich, is the largest university in Switzerland, with over 25,000 students. It was founded in 1833 from the existing colleges of theology, law, medicine and a new faculty of philosophy....

. He is particularly known for his research on cosmic microwave background radiation

Cosmic microwave background radiation

In cosmology, cosmic microwave background radiation is thermal radiation filling the observable universe almost uniformly....

, galaxy clustering and weak gravitational lensing, and the implications of these observations for the large scale structure of the universe.

Seljak did his undergraduate studies at the University of Ljubljana

University of Ljubljana

The University of Ljubljana is the oldest and largest university in Slovenia. With 64,000 enrolled graduate and postgraduate students, it is among the largest universities in Europe.-Beginnings:...

, Slovenia

Slovenia

Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

, graduating in 1989, and received a masters degree from the same institution in 1991. He then went to 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...

, receiving his Ph.D. in 1995. After postdoctoral studies at the Harvard-Smithsonian Center for Astrophysics

Harvard-Smithsonian Center for Astrophysics

The Harvard–Smithsonian Center for Astrophysics is one of the largest and most diverse astrophysical institutions in the world, where scientists carry out a broad program of research in astronomy, astrophysics, earth and space sciences, and science education...

, he took faculty positions 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....

, the International Centre for Theoretical Physics

International Centre for Theoretical Physics

The Abdus Salam International Centre for Theoretical Physics was founded in 1964 by Pakistani scientist and Nobel Laureate Abdus Salam after consulting with Munir Ahmad Khan. It operates under a tripartite agreement among the Italian Government, UNESCO, and International Atomic Energy Agency...

 in Trieste

Trieste

Trieste is a city and seaport in northeastern Italy. It is situated towards the end of a narrow strip of land lying between the Adriatic Sea and Italy's border with Slovenia, which lies almost immediately south and east of the city...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, and the University of Zurich

University of Zurich

The University of Zurich , located in the city of Zurich, is the largest university in Switzerland, with over 25,000 students. It was founded in 1833 from the existing colleges of theology, law, medicine and a new faculty of philosophy....

, before joining the Berkeley faculty in 2008. At Berkeley, he also holds a joint appointment with the Lawrence Berkeley National Laboratory

Lawrence Berkeley National Laboratory

The Lawrence Berkeley National Laboratory , is a U.S. Department of Energy national laboratory conducting unclassified scientific research. It is located on the grounds of the University of California, Berkeley, in the Berkeley Hills above the central campus...

.

In 2001 he won the Helen B. Warner Prize for Astronomy

Helen B. Warner Prize for Astronomy

The Helen B. Warner Prize for Astronomy is awarded annually by the American Astronomical Society to a young astronomer for a significant contribution to observational or theoretical astronomy....

 which is awarded annually by the American Astronomical Society to a young astronomer. Together with Matias Zaldarriaga

Matias Zaldarriaga

Matias Zaldarriaga is an Argentine cosmologist. Born in Coghlan neighbourhood, Buenos Aires, at the present time he works in the Institute for Advanced Study located in Princeton, New Jersey, United States. He is known especially for his work on the cosmic microwave background...

, he developed the CMBFAST

CMBFAST

In physical cosmology, CMBFAST is a computer code, written by Uros Seljak and Matias Zaldarriaga, for computing the anisotropy of the cosmic microwave background...

code, the first computationally efficient method for computing the anisotropy of the cosmic microwave background radiation for an arbitrary set of cosmological parameters.