Former world backpacker turned bartender, Jeff Kirschner is a serial entrepreneur with a love for storytelling. When his four-year old daughter saw a plastic tub of cat litter in the woods, little did Jeff realize that it would be the spark for creating Litterati—a data-science company empowering people to create a litter-free world. Now in 185 countries, the Litterati community identifies, maps, and collects waste—resulting in an Open Litter Database—the largest of its kind. They are backed by leading Silicon Valley investors, the National Science Foundation, and have been highlighted at TED.