AGU member since 1989. Associate professor, University of Chicago, Ill. Volunteer experience includes session convener for several AGU sessions; facilities committee chair (2011–2015) and member (2008–2016), Consortium of Materials Properties Research in Earth Science (COMPRES); service on program committees for various meetings of COMPRES, Goldschmidt Conference, and Meteoritical Society; review panel member for funding agencies and synchrotron user facilities.