Matter LLC is a strategic design consultancy founded in Atlanta, Georgia in 2002 by Ash Arnett and Jeff Harris. Matter provides human-centered research, strategy, and design for products, services, and communications. Every day, thousands of people have better experiences due to Matter design innovations. Key clients include Marriott International, Kimberly-Clark, The W. K. Kellogg Foundation, AT&T Wireless, Clean Air Campaign, Philips, Dupont Pioneer, and UPS. Recognition includes being named a "purple cow" innovative company by Seth Godin.