Teen activist Gavin Grimm is keynote speaker on Saturday
Annual event runs May 17-28 at various venues
Annual benefit raises money to prevent teen suicide
Annual event will go through the Maryland Zoo
Rainbow Families hosts meet up
Ordinarily in June, event bumped up to May 13
Benefit will raise money so locals can compete in Chicago
Opening reception is May 5 at Artists & Makers
Several prominent out pop singers come to town
Riley has been at Dance Place three decades