is a founder and principal at EightShapes, LLC, a user experience consulting firm based in Washington, DC. Nathan has been a user experience design practitioner since 1996 in areas including information architecture, interaction design, usability, and user interface development. Prior to founding EightShapes, Nathan practiced user experience design during stints at Sprint Nextel, BIG fish Design, and SAS Institute, Inc. Nathan obtained a B.S. summa cum laude in mathematics and statistics from Virginia Tech, followed by a master’s degree in statistics from the University of Chicago. He blogs at www.nathancurtis.com and currently lives in Fairfax, VA, with his wife and two children.