· Visiting Professor, Helsinki University2018–2020
· Associate Editor, University of California, Berkeley2017–
· Member, Board of Advisors, University of California, Berkeley2016–2018
· Senior Fellow, University of California, Berkeley2016–
· Associate Professor, University of California, Berkeley2005–2013
· Director, University of California, Berkeley2003–
· Assistant Professor, University of California, Berkeley2002–2005
· Curator of Mesopotamian Epigraphy, University of California, Berkeley2002–
· Professor of Assyriology, University of California, Berkeley2002–
· Research Assistant, University of Groningen1999–2001
· Research Assistant, University of Pennsylvania1998–1999
· PhD Student, University of Groningen1997–
· Research Assistant, University of Groningen1992–1996
· Research Assistant, University of Nijmegen1989–1992
· BIDS Faculty Council Member, University of California, Berkeley
· Professor Emeritus, University of California, Berkeley
· Professor of Sumerian; CMES Senior Research Scholar, University of California, Berkeley