Simple Lifestyle Medicine

Sarah, Byanca, and Leila grew up together in the same apartment building in Anaheim, CA. As Rebels at Savanna High School, they formed a deep bond that has grown alongside their shared commitment to service-driven purpose. Their longstanding friendship is rooted in a passion for helping people—especially those with limited resources—live healthier, more abundant lives.

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Dr. Sarah Leaf, MD, trained at Albany Medical College in New York before completing her Emergency Medicine residency and practicing as an Emergency Physician at Loma Linda University, Riverside University in California, and Kauai Veterans Memorial Hospital in Hawaii. Her time training in Loma Linda—a renowned "Blue Zone" known for its exceptionally healthy population and as the birthplace of the Lifestyle Medicine specialty—inspired her to become board-certified in Lifestyle Medicine in 2020.

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Byanca Smith serves as the VP of Finance for Inland SoCal United Way, the largest regional United Way in the country, and is a certified Lifestyle Medicine Health Coach. She has consulted for both enterprise and startup clients while dedicating her time to various nonprofit organizations in pursuit of her humanitarian mission.

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Leila Dominguez is a passionate marketing professional dedicated to advocating for the well-being of children and single mothers. With a keen strategic mindset, she crafts impactful campaigns that drive awareness and support for meaningful causes.

Together, they are committed to making Simple Lifestyle Medicine a trusted brand, offering high-quality products and education aligned with the principles of Lifestyle Medicine to empower communities on their journey to better health.