Cristina Wang
CEO -- RN, BSN, MBA
Cristina Wang is the co-founder of Harmony Health Solution and a highly accomplished aesthetics provider, bringing over 8 years of expertise in Biology, Regenerative Medicine, and Aesthetics. She earned her RN license and Bachelor of Science in Nursing from California State University, Bakersfield, before completing her MBA at the University of California, Santa Barbara. Cristina’s career began with over 15 years as a dedicated bedside nurse, after which she transitioned to becoming a clinical lab scientist, specializing in In Vitro Fertilization (IVF). Known for her proactive approach and attention to detail, Cristina is continuously honing her skills to ensure the highest level of safe, quality care for her patients.
Currently residing in Newport Beach, CA, Cristina finds joy in empowering women to feel confident in their own skin. In her free time, she enjoys working out, playing tennis, and spending quality time with family and friends.
Dr. Stefan G. Ruehm
MD, MPH, PhD
Dr. Ruehm offers a rare blend of global medical training and a passion for holistic wellbeing, He brings a uniquely international perspective to modern health and wellness. Dr. Ruehm completed his medical education across Germany, Switzerland, and the United States, and holds triple board certifications recognized in the European Union, Switzerland, and the U.S.
Dr. Ruehm earned university degrees from globally respected institutions, including UCLA, the National University of Singapore (NUS), and a Master of Public Health from the Milken Institute School of Public Health at George Washington University. His diverse academic background reflects a lifelong commitment to learning, pursuit of excellence, advancements in prevention, and patient-centered care.
When he’s not taking care of patients, he may be found immersed in nature, exploring new corners of the world, or scuba diving beneath the waves – experiences that continually inspire his integrative approach to wellness.