Chalene Johnson, New York Times bestselling author and the spunky fitness celebrity behind TurboJam and TurboFire, is remarkably calm in real life. At least, she is now.

A few years ago she sat atop a fitness empire that included multiple pre-designed fitness programs, an apparel company and over 60,000 instructors across the globe. Many think Chalene Johnson is just the face of Beachbody’s programs, who then built a personal brand for herself. But it was actually her business success with her own programs (and giant cult following) that led to a distribution deal with Beachbody. Under theBeachbody umbrella, TurboJam, TurboFire, ChaLEAN Extreme, and PiYo achieved massive success, together selling over 10 million DVDs and earning Johnson a Guinness Book of World Records title for most fitness videos.

As you can imagine, those days were anything but relaxed.

Read more at the Huffington Post.