Meet the Experts Behind Your Longevity Journey
Our world-class medical team and concierge specialists are here to guide and support you every step of the way - combining scientific excellence with personal attention.
Excellence in Science, Comfort in Care
At Swiss Longevity Gate, The Team represents far more than a collection of professionals. It embodies the synergy of world-leading medical expertise and exceptional personalised service, working in alignment to deliver an unparalleled longevity experience.
Each team member - whether medical or service-oriented - contributes to a unified mission: to guide every individual through a transformative journey toward optimal long-term health, with precision, excellence, and absolute discretion.
The Medical Team
A multidisciplinary excellence collective
Our medical team is composed exclusively of internationally recognised specialists, selected for their leadership in their respective fields and their active involvement in cutting-edge research, innovation, and
clinical practice.
United by a profound commitment to longevity medicine, they collaborate to develop individualised strategies rooted in advanced diagnostics, preventive science, and functional optimisation.
Their combined expertise covers all fundamental domains of long-term health optimization :

Dre. Semira Gonseth Nusslé
Specialization
FMH Specialist Prevention and Public Health

Dr. Joan Gil Miñana
Specialization
FMH Specialist in General Internal Medicine

Dr. Marc Stelle
Specialization
FMH Specialist in Allergology and Clinical Immunology and General Internal Medicine

Dr. Giacomo Gastaldi
Specialization
FMH Specialist in Endocrinology, Diabetology and General Internal Medicine

Dr. Didier Chardonnens
Specialization
FMH Specialist in Gynecology and Obstetrics

Dr. Nathalie Farpour-Lambert
Specialization
FMH Specialist in Pediatrics and Advanced interdisciplinary training in Sports and Exercise Medicine (SEMS)

Dr. Marc Kaplun
Specialization
Pediatrics

Dr. Souheil Sayegh
Specialization
FMH Specialist in Physical Medicine and Rehabilitation; General Internal Medicine

Dr. Christophe Gachet
Specialization
Doctor of Dental Medicine and Specialist in Dental Surgery

Dr. Marc-Etienne Corthésy
Specialization
FMH Specialist in Anaesthesiology and General Internal Medicine; Medical hypnosis and Interventional Pain Management (SSIPM)

Dr. Cédric Treuthardt
Specialization
FMH Specialist in Urology, specialized in Operative Urology

Prof. Dr. med. François Pralong
Specialization
FMH Specialist in Endocrinology & Diabete

PD Dr. Ali Modarressi
Specialization
FMH Specialist in Plastic, Reconstructive and Cosmetic Surgery

Mr Philippe Rochetin
Specialization
Physiotherapist

Prof. Dre. med. Begona Martinez de Tejada
Specialization
FMH Specialist in Gynaecology and obstetrics

Dr. Pierre Bohanes
Specialization
FMH Specialist in Medical Oncology and General Internal Medicine

Dr. Bijan Farpour
Specialization
FMH Specialist in Ophthalmology; Ophthalmic Surgery and Refractive and Cataract Surgery

Dr. med. Jérôme Bertrand
Specialization
FMH Specialist in General Internal Medicine and Emergency Physician (SSMUS)

Dr. Marc Kaplun
Specialization
FMH Specialist in Pediatrics Sports Medicine Physician (SEMS)
Rather than offering fragmented opinions, our specialists work in full collaboration to co-design and continuously refine The Program for each patient.
Longevity reimagined - truly multidisciplinary, inherently collaborative, deeply personal, strictly confidential.
The Service and administration Team
Your dedicated concierge of health and experience
Our service team ensures that every interaction - from the first contact to long-term support - is seamless, personalised and meticulously executed.
With the standards of true luxury hospitality and the discretion of private medical care, they provide uncompromising attention, logistical facilitation, and client-focused support at every step.
Their role is to integrate The Program into daily life - not disrupt it, ensuring that each recommendation is actionable, realistic, and fully aligned with the patient’s rhythm, responsibilities, and personal context.
“A seamless integration into your life - not a retreat from it.”

Alexander Feij
Director

Ingrid Crevoiserat
Head of Administration
One team, One mission
Together, the medical and service teams form a coherent, high-performing ecosystem, working in complete synergy to deliver:
- Precision medicine,
- Excellence in execution,
- Absolute confidentiality,
- Tailored human guidance, and
- Sustainable integration into daily life.
Individuals are not merely guided - they are accompanied. Supported with confidence, elevated with expertise.
We do not simply add years to life - we empower individuals to live better, with clarity and vitality, at every stage of life.
