GRAPPA10 will host a number of talks from leading experts in the fields of dark matter, cosmic rays, high energy astrophysics, multimessenger astrophysics, and cosmology. The following speakers have confirmed their attendance: David Berge, Pasquale Blasi, Jan de Boer, Manuela Campanelli, Kyle Cranmer, Andreas Freise, Tanja Hinderer, Bradley Kavanagh, Kumiko Kotera, Teresa Marrodán Undagoitia, Alison Mitchell, Hiranya Peiris, Alessandra Silvestri, Christian Stegmann, Licia Verde, and Kathryn Zurek.