Alisa Weilerstein launches her new role as Celebrity Ambassador of JDRF, the juvenile diabetes research foundation, with a special guest appearance in The Power of Us, the organization’s first national telecast. Having been diagnosed with type one diabetes at nine years old, the cellist introduces her own filmed performance of the prelude from Bach’s First Cello Suite, highlighting a star-studded evening hosted by CNN correspondent Cristina Alesci that will stream on Facebook and YouTube.