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
Medical Director
Preventive Medicine & Longevity

Dr. Joan Gil Miñana

Specialization
Lead Physician in General Internal Medicine & Longevity

Dr. Marc Stelle

Specialization
Allergy & Immunology and Micronutrition

Dr. Giacomo Gastaldi

Specialization
Endocrinology & Metabolism

Dr. Didier Chardonnens

Specialization
Gynecology, Sexual & Reproductive Health

Dr. Marc Kaplun

Specialization
Pediatrics

Dr. Souheil Sayegh

Specialization
Sports Medicine

Dr. Christophe Gachet

Specialization
Dental Medicine

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.