Ethan Osten Twitter Ethan Osten works as executive assistant to Ramsey County Commissioner Trista MatasCastillo. Before that, he volunteered as co-chair of the Saint Paul Bicycle Coalition. He has a rudimentary grasp of graphic design. Episodes with Ethan Osten The Fringe #547: TED #43 — Just Ban Bad Teachers The Extra Dimension #43: Political Organizing in the Digital Age