1997 - 2001 NSF grant DMS-9701489 : ‘Effective Diophantine Geometry over Function Fields’.
1998 - 2002 NSF Group Infrastructure Grant : ‘Southwestern Center for Arithmetic Geometry’, Co-PI with six other researchers from the University of Arizona, UTexas Austin, USC, and the University of New Mexico.
2003 - 2006 NSF Infrastructure grant : ‘Southwestern Center for Arithmetic Geometry’, Co-PI with nine other researchers from the University of Arizona, UTexas Austin, USC, UC Berkeley, and the University of New Mexico.
2005 - 2008 NSF grant DMS-0500504 : ‘Motivic fundamental groups, multiple polylogarithms, and Diophantine geometry’.
2006 - 2008 Japan Society for the Promotion of Science, Core-to-Core program ‘New Developments of Arithmetic Geometry, Motive, Galois Theory, and Their Practical Applications,’ Foreign member
2008 EPSRC grant, 46437, for workshop ‘Non-commutative constructions in arithmetic and geometry’
2009 EPSRC grant, EP/G024979/1, 3-year project on ‘Non-commutative fundamental groups in Diophantine geometry’, March