Carlyle Jenkins

About

Carlyle Jenkins

Performance CoachLifestyle Medicine PractitionerExecutive Health

carlyle@carlylejenkins.com+61 451 799 708Sunshine Coast, Australia
Carlyle Jenkins in the mountains, carrying ski equipment in falling snow.

Summary

I am the founder of Xone Health. My current work is programme design, individual client work, and ongoing research into minimum effective dosing of lifestyle interventions that drive energy, health and performance.

The clinical programme and team are at xonehealth.com. This page is the career history and thinking behind it.

Experience

Xone Health — Founder

Sunshine Coast, Australia

  • I am the founder and the practitioner. The full description of Xone—the programme and how to access it—is at xonehealth.com/about.
  • The practical work was producing more and more data, and working with it properly required a different approach. Xone Health is that approach.

Prohab Performance — Founder

London, UK

  • I launched Prohab Performance, my London clinic. It ran for twenty years. First from 1 Harley Street, from 2005 until September 2015, then from Ludgate Hill in the City.
  • The work was practical. Individual. Built from data. Blood analysis, movement assessment, metabolic testing, genetic profiling. Protocols built on what each person's data actually showed. No guessing. Nothing generic.
  • The people who came were executives, founders, senior professionals, and athletes. Some came with pain that had not been explained. Some with a general sense of not functioning at the level they used to. Some had tried the standard routes and were frustrated by what they had been told.
  • Having children changes your priorities. Travelling the world with athletes was no longer viable. The question I asked was straightforward: could I take this framework and apply it to people performing under a different kind of pressure? Founders. Executives. Senior professionals. People who had built their professional identity around mental sharpness and were starting to notice it slipping.
  • The practical toolkit was the same. The application shifted.

d’Angelin Investment Banking — Executive Performance Programme Lead

London, UK

  • Led a six-month executive performance programme for a multi-billion-pound M&A team. Delivered cognitive assessments across visual search, working memory and distractibility, independently measured by London Cognition, a UCL neuroscience spin-out. Biological assessments included blood work, continuous glucose monitoring, HRV and sleep. Provided individualised protocols, executive coaching, and monthly progress reviews.
  • The programme was associated with documented improvements across cognitive, metabolic, and lifestyle measures over six months. All outcomes were measured against objective physiological data, not self-report.
  • Overall improvement in cognitive fitness was 4.36%: +4.3% in working memory, +4.2% in visual search, and +4.6% in distractibility. The programme was also associated with a 14% improvement in stress-to-recovery balance, a 4% improvement in sleep quality, a 7% improvement in physical activity score measured by Firstbeat Life, and a 4.75% improvement in blood sugar control measured by continuous glucose monitoring.
  • The programme was delivered under the Prohab Performance brand and built on the clinical methodology now at the core of Xone Health.

Vita Coco — Programme Designer

London, UK

  • Designed and delivered an integrated health and performance programme for Vita Coco's European division. Led a team of nutritionists and certified health coaches, delivering personal health risk assessments, cognitive function evaluations, and blended workshops synchronised with learning and development cycles.
  • Finalist, REBA Employee Wellbeing Awards, 2018. The programme won the Employee Wellbeing Award at the 2018 UK & European Employee Engagement Awards, from a shortlist that included Oracle, RBS and Visa Europe. Ceremony January 2019. The award went to Vita Coco; Prohab designed and delivered the programme they entered.

Mission Performance — Strategic Programme Designer

London, UK

  • Designed data-driven health and performance programmes supporting executive leadership development and coaching initiatives.

iüLabs — Lifestyle Medicine Lead

  • Developed research communication and science-informed content for a supplementation range, emphasising active ingredient transparency and clinical literature.

Faction Skis — Performance Coach

Verbier, Switzerland

  • Delivered performance coaching, injury rehabilitation, and pre-season training protocols for Faction Skis' sponsored athlete team.

The Perfect Run — Founder

London, UK

  • Coached clients in London on physical and mental preparation for skiing, then matched them with instructors across global destinations including Kashmir and the Andes.

Verbier Ride — Athlete Performance Centre Lead

Verbier, Switzerland

  • Ran the Athlete Performance Centre for the Verbier Ride, one of the marquee freeride events on the calendar.

Warren Smith Ski Academy — Performance Coach

Verbier, Saas-Fee and London

  • Coached clients on biomechanics-first ski performance. Technique follows structure—addressing alignment issues unlocked breakthrough improvements.

Putney Chiropractic — Associate

London, UK

  • Worked in family chiropractic practice.

Ski Mastery — Ski Alignment Consultant

Val d’Isère, France

  • My job was simple to describe and hard to do: optimise the relationship between the foot, the boot, and the ski. Small changes at the foot change everything above it.

Skills

Clinical Programme Design, Executive Health, Performance Coaching, Lifestyle Medicine, Biomechanics, Data-Driven Protocols, Athlete Rehabilitation, Cognitive Assessment, Metabolic Testing, Research Communication

Education & registration

Bachelor of Science

University of Queensland

Master of Chiropractic

Macquarie University

Diploma in Lifestyle Medicine

International Board of Lifestyle Medicine

Z-Health

R-Phase, I-Phase and T-Phase Professional Certifications

Rehabilitation, Re-Education and Restoration; Visual, Vestibular and Proprioceptive Integration; Therapy and Threat Management.

AHPRA-registered chiropractor

Chiropractic Board of Australia

Member, ASLM

Australasian Society of Lifestyle Medicine

Selected athlete projects

Sir Mark Cavendish KBE — Athlete Rehabilitation

  • Injury rehabilitation and physical preparation covering London 2012, the 2012 Giro d'Italia, and the 2012 and 2013 Tour de France.
Mark Cavendish on the podium at the 2012 Giro d'Italia.

James Woods — Athlete Coaching

  • I started coaching James when he was twelve. What followed was nearly fifteen years of work together. Woods became one of the most decorated freestyle skiers in the world: X Games Gold Medal in Aspen, 2019 World Champion, and three-time Olympian at Sochi, Pyeongchang and Beijing.
  • Developed a holistic performance framework covering nutrition, recovery, and mental preparation under competition pressure. This fifteen-year athlete partnership established the evidence-based methodology now used in executive coaching.
Carlyle Jenkins and James Woods at the Prohab Performance clinic at 1 Harley Street.

Sam Smoothy — Athlete Coaching

  • Physical and mental coaching through his development as a Freeride World Tour competitor and The North Face-sponsored athlete.

Selected competitive events

Yukon Arctic Ultra — Participant

Yukon, Canada

  • Entered the 300-mile category on foot, hauling a sledge through the Canadian Arctic in aid of Breast Cancer Care. Team Helmut: Simon Bayliff, Jules Bartlett, and Andy Pocock.
  • A blizzard dropped two to three feet of fresh snow. We pressed our emergency beacons and were evacuated. After a time penalty and a restart at McCabe, we withdrew at 260 miles.
  • We had raised £50,050 for Breast Cancer Care, with more still coming in.
  • On 23 April 2009, we spoke at the Royal Geographical Society in Kensington. Ten pounds a head. All proceeds to Breast Cancer Care.
Team Helmut crossing a frozen lake during the 2009 Yukon Arctic Ultra.

Ultra-Trail Kosciuszko — Participant

Kosciuszko National Park, Australia

  • Ran 50 kilometres of alpine trail.
Carlyle Jenkins running Ultra-Trail Kosciuszko.

Coast to Coast New Zealand — Participant

New Zealand

  • Finished the Coast to Coast New Zealand with my teammate Tim—road cycling, whitewater kayak, and running from one coast to the other.
Carlyle Jenkins and teammate Tim at the Coast to Coast New Zealand finish.
Carlyle Jenkins and teammate Tim during the Coast to Coast New Zealand kayak leg.

Frameworks

The State Stack

The State Stack is Carlyle's clinical sequencing framework for understanding health and performance. It has two foundational layers.

Layer 1 is biological function—the measurable physiological substrate: genetics, blood biomarkers, metabolic function, hormonal patterns, inflammatory load, and body composition.

Layer 2 is nervous system regulation: autonomic balance, stress physiology, recovery capacity, and sleep architecture.

Everything above these layers—thinking, decision quality, emotional steadiness, and output—sits downstream of them. Addressing what is above before stabilising what is below produces limited and often temporary results. The State Stack establishes the correct sequence of clinical attention.

The Xone Compass

The Xone Compass is Carlyle's performance orientation framework. Where the State Stack establishes the sequence of clinical attention, the Compass maintains it over time, keeping the programme aimed at the right foundations while daily pressure and commercial noise pull against them.

It has four components: Your North, Calibration, The Needle, and Interference. Your North is the fixed reference—the biological foundations that the evidence consistently identifies as the primary levers for performance and health, calibrated to what each person's clinical data shows. Calibration is Carlyle's periodic clinical read, re-establishing the direction the framework holds between formal reviews.

The Needle is the daily orientation work Emily performs: small course corrections before drift accumulates. Interference names what pulls the needle away—ordinary life pressure, and the commercial wellness industry's structural interest in directing executives toward proprietary solutions rather than the foundations.

The framework's underlying argument is that drift is an orientation problem, compounded by an industry that profits from misdirection. The Compass is the corrective instrument: precision over prescription.