Our Team

We are pleased to be at your disposal with a competent team that has been working together for years.

Team of Doctors

Dr. med. Olaf Franzen

Specialist in cardiology and general internal medicine

Hamburg, London, Copenhagen, Hong-Kong, Singapore and Zurich - as a specialist in interventional cardiology and pioneer of minimally invasive heart valve therapy, Dr. med. Olaf Franzen has been performing cather-based interventions on the heart for more than 20 years in major medical centres around the world. He is available for the entire spectrum of outpatient / inpatient diagnostics and treatment. Languages: German, English, Danish

Biography Olaf Franzen

Prof. Dr. med. Johannes Waltenberger

Specialist in Cardiology and General Internal Medicine

As a professor of internal medicine, cardiology and angiology as well as an internationally recognised interventional cardiologist and vascular specialist, Prof. Johannes Waltenberger, MD, has 30 years of expertise in research and practice. He is at your disposal for solid, humane and at the same time scientifically based and innovative diagnostics, treatment and prevention. Additional qualifications: Intensive care medicine and sports cardiology. Languages: German, English, Dutch. Understand: Swedish

Biography Johannes Waltenberger

Executive Board

Dr. med. Olaf Franzen

Specialist in cardiology and general internal medicine

Hamburg, London, Copenhagen, Hong-Kong, Singapore and Zurich - as a specialist in interventional cardiology and pioneer of minimally invasive heart valve therapy, Dr. med. Olaf Franzen has been performing cather-based interventions on the heart for more than 20 years in major medical centres around the world. He is available for the entire spectrum of outpatient / inpatient diagnostics and treatment. Languages: German, English, Danish

Biography Olaf Franzen

Wanda May Pulfer

Business Manager / Managing Director

Distinct commercial interdisciplinarity from 24 years of practical experience. Author of reference books and lecturer. Manages the entire back office so that we can provide the best service in practice.

Biography Wanda May Pulfer

Frontoffice

Marisa Zunzer

Health professional / Administrative Coordinator

Ms. Marisa Zunzer is the coordinator responsible for all administrative matters of our daily practice. She welcomes our patients at the reception and on the phone, coordinates appointments and takes care of the administrative preparation and follow-up of the consultation hours. As a health professional, she also supports our doctors competently in the care of our patients. She will be happy to welcome you in the following languages: German and English

Backoffice

Kai Pulfer

Project Management Technology, Web Artisan and Quality Management

Kai Pulfer has built up and led a well-known NGO in the environmental sector in Switzerland for over 20 years. Since autumn 2020, our practice has been able to build on his diverse skills in the areas of project management and technology.