HIIT IT!™ has made it onto Well + Good! March 13, 2014 by Daphnie Yang New York’s newest High Intensity Interval Training-based class takes the sometimes frightening push-yourself-to-the-edge workout style and makes it much more accessible (without sacrificing intensity), thanks to founder Daphnie Yang’s infectious enthusiasm and unaffected belief in every person trying to get in just one. more. burpee. — Lisa Elaine Held- Well + Good I've been a fan of Well + Good for years- and now I'm on it! I couldn't have asked for a more fantastic write- up!