We're sorry but the 2021 33 Session 4 "work" group/event is full and cannot accept any more registrations. If you have any questions, please contact the group leader(s): Alex Duroy Bill Neal Bryce Myers Daniel Sherlock Gary Gilmore Gregg Mangus Jeff Hellmers Jonathon Kurth Kent Goble Kyle Campana Michael Sesslin Nick Rogers Patrick Weevie Steven D. Zenz Tony Ferragamo