Meet Our Team. Holistically There for You.
At Oviva, an interdisciplinary team of physicians, nutrition professionals, and psychotherapists accompanies you. Together we support you step by step – tailored to your situation and your goals.
General Management
Dr. med. Annina Althaus
Medical Director, Specialist in General Internal Medicine, Endocrinology & Diabetology
Carina
Richenberger
General Manager Ovivamed, medication-based therapy
Melanie
Donati
Team Lead Dietetics
Dr. phil. Suzana Stojiljkovic
General Manager Oviva Dietetics and Psychotherapy
Specialist Physicians
Dr. med. Ali Mohammad
Specialist in General Internal Medicine & Clinical Pharmacology and Toxicology
Dr. med. Ashley
Neizert
Specialist in General Internal Medicine
Dr. med. Beatrice Hofmann
Specialist in General Internal Medicine
Dr. med. Blanka
Szilagyi
Specialist in General Internal Medicine, European Certified Obesity Specialist (SCOPE)
Dr. med. univ. (AT) Claudia Fédière
General Practitioner
Dr. med. Isabel
Decurtins
Specialist in General Internal Medicine, Sports Medicine
Dr. med. univ. Katja Leitner
Fachärztin für Allgemeine Innere Medizin, Endokrinologie & Diabetologie
Dr. med (H) Luzia Maria Gruber
Specialist in General Internal Medicine
Matthias
Zehringer
Specialist in Physical and Rehabilitation Medicine, Sports Medicine, Qualified Sports Teacher
Dr. med. Matylda
Zimny
Specialist in General Internal Medicine, Adiposologist DAG-DDG
Nadia
Khan
General Practitioner
Nicole
Ziegler
Specialist in General Internal Medicine
Dr. med. Patricia
Wald
Specialist in General Internal Medicine
Dr. med. Regula Honegger
Specialist in General Internal Medicine, Endocrinology & Diabetology
Prof. Dr. med. Roger Lehmann
Senior Endocrinologist, Specialist in General Internal Medicine, Endocrinology & Diabetology
Sascha
Tawil
Specialist in General Internal Medicine, European Certified Obesity Specialist (SCOPE)
Nutrition Professionals
Meet some of our more than 80 nutrition professionals
Alexandra Schibli
Dipl. Dietitian HF SVDE
Lead Dietitian Eastern Switzerland
Anouk Gschwendtner
Registered Dietitian BSc
Lead Dietitian Central Switzerland
Corina Malär
Registered Dietitian BSc
Lead Dietitian Ovivamed Dietitians
Lead Dietitian Ovivamed Dietitians
Corinne von Tobel
Registered Dietitian BSc
Lead Dietitian Region Zurich
Elodie Puertas
Registered Dietitian BSc ASDD
Lead Dietitian Region Romandie
Karin Lauener
Registered Dietitian BSc
Lead Dietitian Region Basel
Selina Bürklin
Registered Dietitian BSc
Lead Dietitian, Bern and Valais Region
Psychotherapists
Meet some of our more than 30 psychotherapists
Georgia Karagianni
Federally Recognized Psychotherapist
Lead Psychotherapist Bern
Matthias Baumann
Federally Recognized Psychotherapist & Supervisor
Lead Psychotherapist Winterthur
Dr. phil. Niclà Lozza
licensed and accredited psychotherapist, Specialist Psychologist for Psychotherapy FSP
Medical Practice Team
Dilan
Müller
Senior Practice Coordinator – Team Lead & Location Development
Adriana Evelyne
Lungeni
Head Medical Practice Assistant
Fabienne
Salvenmoser
Medical Practice Assistant
Lauxna Thavarajasekaram
Medical Practice Assistant
Habibe
Hasani
Medical Practice Assistant
Tanja
Moser
Medical Practice Assistant
Viktoria
Schmidtmann
Medical Practice Assistant
Philipp
Hansert
Medical Student – Practice Assistant
Sixtine
Bonart
Medical Student – Practice Assistant
Our Partners
Prof. Dr. med. Andreas Thalheimer
Expert in bariatric surgery with particular experience in complex revision procedures.
Prof. Dr. med. Marco Büter
Internationally renowned expert in bariatric and metabolic surgery.
Prof. Dr. med. Ralph Peterli
“Long-standing, internationally well-connected expert and pioneer of bariatric and metabolic surgery in Switzerland.
Your Contact Persons
Franziska Hofmann
Field Sales Representative
f.hofmann@oviva.com
Alexander Dorka
Business Development Manager
alexander.dorka@oviva.com