Slide copies of the following talks are available as pdf-files
P. Debes "Fields of definition and families of covers"
A. Tamagawa "Fundamental groups and geometry in positive characteristic"
I. Efrat "Reconstruction of fields from absolute Galois groups"
K. Ribet "Almost rational torsion points on abelian varieties"
E. Kani "p-adic representations of the K-rational geometric fundamental group of a curve over a number field"
R. Hain "Weighted completion of arithmetic fundamental groups"
M. Matsunomo "Weighted completion of Galois groups and the Deligne-Ihara conjecture"
M. Fried "Sequences of j-line covers and theta-characteristics"
H. Nakamura "Some aspects of Galois-Teichmueller modular groups of small type"