Sarasota Sisters Are Redefining Fitness Routines
Business
SRQ DAILY MONDAY BUSINESS EDITION
MONDAY JUL 21, 2025 |
BY BARBIE HEIT
Pictured: Ashley and Amanda Rosenberg share tips on staying fit and healthy with Build and Burn. Provided photo.
Looking to kick up your fitness routine? Build & Burn, an app and website created by third-generation Sarasota natives Ashley and Amanda Rosenberg, offers weekly workout plans and an extensive on-demand video library to help subscribers craft sustainable and effective fitness goals.
The sisters, six years apart, were raised in a fitness-focused household and played tennis throughout their college years. Both earned degrees in Business Administration and ended up working at the same real estate company after graduating.
When coworkers began asking them for fitness advice, so they started sharing free workouts and meals on Instagram through their page, Rosey Times Two. As demand grew, they began designing their own programs focused on building muscle, burning fat and creating balance. After becoming ISSA-certified personal trainers, they launched their first PDF-only workout guide in 2020—laying the groundwork for what is now a thriving platform.
Today, Build & Burn has over 200,000 followers and a reputation for accessible, effective workouts. The monthly subscription includes a curated workout schedule targeting every muscle group in just 30 minutes a day, four days a week.
“Amanda and I created this program to help people build a sustainable, well-rounded fitness routine,” says Ashley. “When I was in the corporate world, I was spending six or seven days a week at the gym… But once I became a mom, that just wasn’t realistic.”
Ashley, now a mom of two, became certified in prenatal and postnatal fitness. Her pregnancy program guides moms through every stage of pregnancy and postpartum recovery.
In 2023, Ashley’s own routine was tested when her family lost their home in a hurricane. “Even with all of that chaos, I was still able to stick to my workouts,” she says.
While Ashley handles operations, Amanda is responsible for marketing. Together, they collaborate on recipes with registered dietitians. “We just love how we feel when we eat well,” says Amanda. Build & Burn offers something for every fitness level—from beginners to busy moms. “Many have tried countless other programs, then found Build & Burn—and it changed their lives,” says Amanda.
Check out the full story in the September edition of SRQ Magazine.
Pictured: Ashley and Amanda Rosenberg share tips on staying fit and healthy with Build and Burn. Provided photo.
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