Aaron Day has spent the last 17 years as an experience design generalist and subject matter expert on sound for products. He has worked in automotive, mobile, software, medical, web, broadcast, home electronics, architecture. His clients include Audi, Samsung, Qoros, Telefònica, Mozilla, Vodafone, Sprint, Bosch, AT&T, Siemens and Wire. He developed the first-ever UI sound-strategy for Samsung's mobile products, and he led the sound design effort for the launch of Firefox OS. Day works at the intersection of product, engineering and design teams to solve usability and user experience design problems. His work spans languages, cultures and continents to deliver relevant and lasting sound design for everyday products used by millions of people.