Ryan Castelaz is the owner and creative director of Discourse Coffee Workshop, which he opened in Door County, Wisconsin, in 2017, before moving the business to Milwaukee in 2021. His inventive drink making has been featured on the Emmy Award-winning PBS program Wisconsin Foodie and featured in print in Barista Magazine, Food & Wine, Plate Magazine, Daily Coffee News, and The Growler magazine, which called him "The Coffee Wizard of Sister Bay."
