Laurie Marbas, MD, MBA is a double board-certified physician in family medicine and lifestyle medicine. She is the founder of The Habit Healers, The One Tiny Healing Habit, and Train Your Brain Games, bestselling Substack publications exploring the intersection of behavior change, metabolic health, and healing habits through deeply researched, accessible writing. She is also the co-founder of the Culinary Healing community with Chef Martin Oswald, where healing begins with nutritious, delicious food.

Dr. Marbas holds medical licenses in all 50 states and Washington, D.C., and runs a concierge medical practice at drmarbas.com, providing personalized, evidence-based care rooted in lifestyle medicine. She currently serves as Chief Medical Officer for Metabite, and previously helped launch the International Journal of Disease Reversal and Prevention and served as its first Managing Editor.

She hosts The Habit Healers Podcast, where she interviews experts and shares practical, habit-based strategies to help people reclaim their health. Dr. Marbas earned both her MD and MBA from Texas Tech University Health Sciences Center, where she received the prestigious Gold Headed Cane Award for excellence in the art of medicine. While raising three young children during medical school, she authored seven books, including the widely used Visual Mnemonics series, which simplifies complex medical concepts through cartoons designed for real-world learners.

A U.S. Air Force veteran who served in the Middle East and South America, Dr. Marbas continues her work as a physician, author, educator, and speaker dedicated to healing through habits. Outside of medicine and writing, she finds her greatest joy in family, travel, and hiking the outdoors around the world.