CELEBRITY MEET OUR AMBASSADORS They love Fitbit, live our mission and are ready to keep you motivated on your path to fitness. CELEBRITY AMBASSADORS These famous faces rely on Fitbit to help them reach their goals—in the gym, on the red carpet and everywhere in between. Harley Pasternak Harley is a celebrity trainer, nutritionist and bestselling author of Body Reset Diet. He’s worked with Rihanna, Lady Gaga and Katy Perry and co-stars on “Revenge Body” on E! Dean Karnazes Dean is an internationally recognized endurance athlete, NYT bestselling author and one of TIME Magazine’s Top 100 Most Influential People in the World. EXPERT AMBASSADORS This advisory panel of academic experts help shape Fitbit products and services to ensure you have the best experience possible. Dr.Michael Grandner Sleep Dr. Grandner is the Director of the Sleep and Health Research Program and Behavioral Sleep Medicine Clinic at the University of Arizona. He contributes to Fitbit’s sleep research. SLEEP EXERCISE WEIGHT & NUTRITION HEALTH & HABITS DERMATOLOGY Get the inside scoop on all things Fitbit. Enter your email address Follow us SUPPORT LEGAL PARTNERS COMPANY HEALTH SOLUTIONS ©2021 Fitbit LLC. All rights reserved. United States By clicking “Accept All Cookies”, you agree to our use of cookies to enhance site navigation, analyze site usage, and assist in our marketing efforts. Click “Cookies Settings” to make choices regarding specific cookie types. You can update your choices at any time.Read our Cookies Policy. Cookies Settings Accept All Cookies