International fitness professionals, twins, proud baby boomers, and edu-tainers, Kymberly Williams-Evans, MA and Alexandra Williams, MA have been in the fitness industry since the first aerobics studio opened--with them--in Europe, before leg warmers and thong leotards were the rage. They teach, write, and present their programs on land, sea and airwaves. Kymberly is former faculty for the Dept of Exercise and Sports Studies at University of California Santa Barbara. She holds advanced certification as a Functional Aging Specialist. Alexandra edits and writes for IDEA: The Association for Health and Fitness Professionals. Catch them at their blog, Fun and Fit: Active Aging Answers for Boom Chicka Boomers, funandfit.org, or at events you hire them to present at.