Aaron Marcus is the president of Aaron Marcus and Associates, Inc. (AM+A), a 25-year old design and research firm focused on user interfaces and information visualization. The document outlines AM+A's work developing user-friendly designs for websites like eBay, Travelocity, and Motorola. It also discusses how cultural factors must be considered when designing interfaces, as communication and user experiences can vary significantly across cultures. AM+A has extensively researched cultural dimensions and their implications for design, and aims to develop tools to help create culture-centered websites and online communities.