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About
Fitness instructor, personal trainer, nutritionist, and wellness entrepreneur known for her workout, weight loss, and lifestyle content on Instagram @paulinastein and TikTok @paulinahefferan where she shares realistic fitness, postpartum recovery, and long-term lifestyle change guidance with her followers. She is also known for being the founder of Paulina Fitness and Reset by Paulina Fitness where she offers at-home workout programs, transformation challenges, nutrition plans, and community-based coaching.
Before fame
She began her career as a certified personal trainer using her own fitness journey as the foundation for her coaching approach. She began posting workout routines, nutrition tips, and motivational content on Instagram before expanding onto TikTok in the early 2020s after founded Paulina Fitness. She founded Reset by Paulina Fitness in December 2023.
Trivia
She appeared on the Shame To Sparkle podcast in October 2021. She appeared on the Camp Chaos with Kyndra & Taylor podcast in October 2025. She appeared on the podcast Pretty Dirty Podcast in February 2026.
Family life
She is a mother to three children. She is from Orange County, California.
Associated with
She has worked as a personal trainer for Emily Rebecca Simpson from The Real Housewives of Orange County.
