Complex sentence: Gro Steinsland (born 1945) is a Norwegian scholar of medieval studies and history of religion and since August 2009 has been the Scientific Director of the Centre for Advanced Study of the Norwegian Academy of Science and Letters.
Split into simpler sentences: Gro Steinsland (born 1945) is a Norwegian scholar of medieval studies and history of religion. Since August 2009 she is the Scientific Director of the Centre for Advanced Study of the Norwegian Academy of Science and Letters.