Meet Our Team
Our team of health professionals will support you. Your health is our top priority.
No Judgment, No Shame
Meet our team of Doctors, Dieticians and Coaches who shaped our programme and are on the cutting-edge of weight loss innovation
Creating a program that redefines weight loss by going beyond traditional concepts—placing you and your journey at the heart of everything we do.
Our mission is to provide our patients with safe access to the latest therapies and equip them with the tools to finally achieve their weight goals. We combine medical treatment strategies with innovative technology and personalized care. With tailored GLP-1 therapies and a dedicated team of nutrition experts and health coaches, we support you every step of the way on your journey.
The Experts Behind Our Programme
Meet our team of Doctors who shaped our program and are on the cutting-edge of weight loss innovation
Our Story
ViaSlim was founded by Dr. Gezim Dervishi, a dedicated advocate for functional and integrative medicine, whose passion is to revolutionize weight management and redefine health. Joining him on this transformative journey is his lifelong friend and co-founder, Norbert Niebuhr, a renowned Swiss specialist in internal medicine. Together, they envisioned and created a digital weight loss center that seamlessly merges cutting-edge medical science with a holistic approach to health, offering a truly transformative experience for sustainable well-being.
With the invaluable expertise of Prof. Dr. Jörg Zehetner, one of Switzerland's foremost authorities in obesity management, ViaSlim has pioneered the country’s with one of the first fully digital, app-based weight loss clinic. . ViaSlim is more than a clinic – it’s a partnership in health, driven by a team committed to changing lives.
Dr. Gezim Dervishi
Founder and CEO
Arzt für Allgemeinmedizin (D)
Dr. Gezim Dervishi is a distinguished physician, dual board-certified in both obesity medicine and family medicine. His dedication to obesity medicine began with a deep-seated passion for addressing the disparities and inequities faced by patients with obesity. Dr. Surkhabi has witnessed firsthand the unequal care provided to these patients and has committed his career to bridging this gap and advocating for equitable healthcare.
Norbert Niebuhr
Medical Lead ViaSlim
Specialist in Internal Medicine FMH
Norbert Niebuhr is a highly experienced specialist in obesity and internal medicine who completed his medical studies in Hamburg (Germany) and Palermo (Italy). He brings extensive expertise from his work at renowned Category A hospitals, including the University Medical Center Hamburg-Eppendorf and Inselspital Bern. His professional experience spans various disciplines, from internal medicine to intensive care and emergency medicine. Beyond his passion for medicine, he enjoys spending time with his family and two dogs, is an avid diver, and a car enthusiast.
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Dr. med. Jörg Zehetner
Medical Advisor and Bariatric Surgeon
Dr. Jörg Zehetner is a highly qualified surgeon specializing in reflux treatment, bariatric surgery, and diseases of the stomach and esophagus, including cancer. With extensive training in Switzerland, Austria, and Spain, he honed his expertise in top surgical institutions.
Dr. Zehetner is renowned for his expertise in minimally invasive and robotic surgery, with a focus on complex reoperations and advanced reflux and bariatric procedures. He is the only surgeon in Switzerland proficient in established and innovative techniques for GERD treatment, enabling true personalized medicine.
Every Body is Different
Weight loss is Complex
Dieticians and Health Coaches
Here are some of our qualified nutritionists, dieticians who will support you on your journey
Society gets weight All wrong
Everyone Deserves Clinician-led weight core
Corinne Gerber
Lead Clinical Dietician
Hi, I’m Corinne. After training as a chef, I pursued my dream of becoming a nutritionist. For over 15 years, I’ve specialized in holistic, empathetic support for obesity treatment. Guiding clients and witnessing their progress inspires me every day.
Join our Team
Holistic Talents
We are looking for passionate holistic health coaches to guide patients on their weight loss journey. Join our team to provide expert support, combining nutrition, lifestyle, and medical care for sustainable results. Be part of a pioneering digital weight loss clinic in Switzerland!
Sarah Wyss
Holistic Coach
Sarah is a certified Health Coach from the renowned Institute of Integrative Nutrition (IIN). She combines her extensive knowledge with a heartfelt, empathetic approach to guide you on your weight loss journey.