Miami's Hottest Trainer Contestant #12: Derek Degrazio, Barry's Bootcamp

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Remember Britney Spears's 2011 comeback bod? We can all thank Derek Degrazio for that. He's the Micheal Angelo behind many of South Beach's tout derrières and contoured triceps– just ask anyone who attends his booked classes at Barry's Bootcamp in Sunset Harbour.

"Listen. React. Commit."– Derek Degrazio

"There's days and weeks where I'm in ten hours a day, or there's days where I may just pop in to take a trainer's class and then pop out," says Derek. As the studio's managing partner, his daily tasks include teaching two or three classes, keeping other instructor's on their toes, and running the business side of things at Barry's, which is slated to open in Midtown in two months and at Aventura Parksquare in 2017. And although his original career goals included hosting his own radio show, Derek has become a local fitness celebrity in his own right, after he joined the team about nine years ago.

"I moved to Los Angeles after college and crashed on my brother's floor, as I had no idea what I wanted to do. Then I heard about Barry's Bootcamp, back when there was one studio," he explains. "I signed up and within a few minutes of class Barry asked me if I was a trainer. I said, 'uh... yeah...' I was lying through my teeth! I'd never trained at all, I just knew how to workout. So after class we chatted, I started subbing, got certified, and fell in love with the program. It was the missing piece. I needed that competitive edge with that camaraderie that Barry's offers."

That his classes are tough is an understatement. Once the trap beat drops, you can expect to turn up the speed on that treadmill and run... FOR. YOUR. LIFE.

But that's Derek on duty. Derek off duty prefers to crank it down to chill speed. You can find him swimming at The Standard, laying low at Soho House, or taking over the lanes at The Edition's bowling alley with his entire posse of irresistibly good-looking Barry's Bootcamp trainers. That is, when he's not working out in the privacy of his own building's gym, hanging out with his girlfriend and his newly adopted puppies, or catching up on episodes of The Bachelor. "I do watch The Bachelor, and I like it!" he admits.

But it's all in a day's work for Derek, who leaves us with a simple bit of fitness advice: "Listen. React. Commit," and when you have a celebrity trainer as talented as him leading the class, committing is the easiest part.

Check out the rest of this year's Hottest Trainer contestants here.