Bruce Hanington is the co-author of the best-selling Universal Methods of Design and an associate professor, director of graduate studies, and former program chair of industrial design in the School of Design at Carnegie Mellon University in Pittsburgh, Pennsylvania. He has dedicated his teaching and research to methods and practices for human-centered design, with an emphasis on design ethnography, participatory design, and the meaning of form in context. He has consulted on design projects with GE Appliance and Johnson and Johnson, and his work has been published in Design Issues, The Design Journal, and Interactions, with chapters in Designing Inclusive Futures and Design and Emotion: The Experience of Everyday Things.Bella Martin, co-author of the best-selling Universal Methods of Design, is a design practitioner and independent consultant in Atlanta, Georgia, where she brings her expertise for design research methods to companies who are new to user-centered design, but eager to give their users a voice in the design process. She holds a Master of Design in Communication Planning and Information Design from Carnegie Mellon University, where she first began her ongoing work in visualizing user-centered research methods.