Dr. Denis Pfeiffer

Denis Pfeiffer is a physician specializing in lifestyle medicine, internal medicine, nutritional medicine, sports medicine, and sleep medicine. As Co-Founder and President of the Lifestyle Medicine Society Switzerland, he is dedicated to advancing evidence-based lifestyle interventions by educating professionals and empowering the public. In his role as Medical Director at the Arlesheim Clinic, he leads Switzerland’s first official department for lifestyle medicine, developing innovative programs for patients with chronic conditions that integrate nutrition, physical activity, mental health, sleep, and harmful substance use.

Beyond treating disease, he is committed to fostering sustainable health for both patients and healthcare professionals.