The
qualifications
My professional training, methods & certification
I combine formal science-based education with lived experience to guide clients in building sustainable, joyful longevity lifestyles.
Here are the foundations of my work:
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Julia Josefine Kiess - founder i:gevity
Core certifications
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Precision Longevity Practitioner
(Human Longevity Institute, US)
Comprehensive training in clinical longevity, covering nutrition, biomarkers, lab testing, supplements, and prevention strategies.
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Longevity Fitness and Lifestyle Specialist
(Human Longevity Institute, US)
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Diet & Binge Eating Recovery Coach (The Binge Code, UK)
Specialization in binge-eating recovery and food freedom, integrating intuitive eating with behavioural coaching.
Methods & continuing education
My work draws on established methods and on a field that is a rapidly evolving.
How I stay current:
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Intuitive Eating Approach
Based on the work of Evelyn Tribole & Elyse Resch — applied in coaching to help clients restore body trust and food freedom.
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Study of behavioural science and the psychology of habit formation, applied to long-term adherence rather than short-term compliance.
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Ongoing mentorship with leading longevity practitioners.
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Regular participation in international conferences, workshops, and masterclasses on nutrition, health span, and functional health.
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Deep study of emerging research in biomarkers, preventive health, and lifestyle medicine.
My approach
What sets me apart is not just a list of qualifications but how I integrate them.
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Science + Intuition: evidence-based insights combined with lived body awareness.
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Longevity + Food Freedom: proactive health without restriction or rigidity.
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Precision + Compassion: personalization that respects real-life challenges.