Tim was able to get the list of people mentioned in the Summit Grand Finale:

Timeless
Quim Gil
Ryan Abel
soumja bijjal
Murray Cumming
Tim Samoff
Andre Klapper
Jason Carter
Andrew Flegg
lucas manejos
Niels Breet
Stephen Gadsby
Thomas Perl
Valério Valério
Cornelius Hald
Uwe Kaminski
Dave Neary
Carsten Munk
Daniel Martín Yerga
roope rainisto
sergio villar
berto garcia
claudio salvedra
Eero Tamminen