CULLINAN CIRCLE
The Beginning of a New Era — Longevity Meets Luxury
THE CULLINAN CIRCLE
The CULLINAN CIRCLE is an exclusive international network of leading professionals shaping the future of longevity medicine.
It represents a holistic approach to health, combining scientific exchange, strategic growth, and curated global connections within the high-end healthcare space.
Our Mission
Empowering physicians and experts with advanced knowledge, strategic tools, and premium positioning — enabling them to embody modern medical excellence, expand their influence, and achieve sustainable long-term growth.
1. EXCLUSIVE EVENTS
Curated premium experiences where medicine, innovation, and high-level networking meet. Longevity meets Luxury.
2. LONGEVITY SCIENCE
Exclusive access to the latest global longevity research, scientific insights, and preventive medicine strategies.
3. EXPERT SESSIONS
International masterclasses, retreatsand workshops designed to accelerate expertise, connection, and medical innovation.
4. PERSONAL BRANDING
Strategic visibility, premium content, and speaking opportunities to position you as a trusted authority in modern medicine.
Like the
Cullinan Diamond,
true excellence is
rare, refined & recognized
The CULLINAN CIRCLE unites leading medical experts who go beyond results shaping standards, elevating patient experience, and driving global visibility.
Join a curated community where science meets strategy, collaboration creates growth, and your expertise gains the recognition it deserves.
You want
1) Expand your international network
2) Be Part of the Longevity Movement
3) Gain visibility beyond your clinic
4) Position yourself among elite practitioners
STRENGTH OF COMMUNITY
M.Sc. Marjam Al Hakim founded The CULLINAN CIRCLE with a clear Vision:
to build an exclusive international community where medical excellence, interdisciplinary collaboration, and meaningful human connection come together to shape the future of longevity medicine.
Her Mission is to create a strong global ecosystem where physicians, scientists, therapists, and healthcare innovators support one another, learn from one another, and grow together.
Because the future of health belongs to those who rise together, lead together, and grow together — beyond disciplines, beyond borders.
MEET OUR COMMITEE
We support you to accelerate in science, positioning and success.
COMMITEE
PROF. DR CHRISTOPH KLEINSCHNITZ
Prof. Dr. Christoph Kleinschnitz is one of Germany’s leading neurologists and internationally recognized for his work from the hospital to the TV - in stroke medicine, neuroimmunology, and brain health. His scientific expertise brings cutting-edge neurological research and preventive medicine insights to The Cullinan Circle.
FOUNDER & CEO
M.SC. MARJAM AL HAKIM
M.Sc. Marjam Al Hakim is a holistic health pioneer who combines scientific expertise, strategic vision, and international healthcare innovation to shape the future of longevity medicine and medical excellence.
She drives global expert collaboration, connecting leading minds to advance the next generation of medicine.
She is a scientist, entrepreneur, and visionary.
COMMITEE
PROF. DR. TILL HASENBERG
Prof. Dr. Till Hasenberg is internationally recognized for his expertise in metabolic surgery and obesity medicine, helping redefine modern preventive healthcare through sustainable treatment strategies and long-term metabolic transformation.
Leading as a surgeon at the hospital, he is setting new holistic standards in surgery.
- Longevity Tournee 2026 - CologneDo., 11. JuniHauptstraße 465