Groundwork Denver's annual party is happening on Tuesday October 28! We will be hosting this year's party at Black Shirt Brewing Co. (BSB) at 38th and Walnut in the RiNo neighborhood.   Network with zombie leaders Slurp hand-crafted artisanal beers Devour Voo-Doo Doughnuts for dinner   3719 Walnut St Denver, CO 80205 4:00 pm to…