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Ross Marwick

Co-Founder & Head of Personal Training

Setting the standard for evidence-led Personal Training in Edinburgh. I don’t just train clients; I train the trainers who support your journey.

Start with a Movement Screening
Senior practitioner leading a clinical discussion on patient rehabilitation progress at our specialised Leith facility.
Clinical specialist explaining biomechanical assessment data during a team consultation at our Leith gym.
Health by Science practitioner monitoring lower body biomechanics during a clinical strength session in our Leith gym.
Health by Science practitioner reviewing digital rehabilitation data on a tablet during a personal training Edinburgh session.

Movement is medicine—but only if the dose is right.

As a co-founder of Health by Science, my goal was to bridge the gap between Physiotherapy and high-level performance.

I believe that whether you are recovering from a stroke or training for a triathlon, the principles of science remain the same: progressive overload, consistency, and a deep understanding of the ‘why’ behind every movement.

I lead our team to ensure that every session—whether 1-to-1 or in a group—is built on these foundations of safety and confidence.

My role at Health by Science

Leading the standard of care across our Personal Training and Thrive Rehab programs.

  • HBS Academy Director: I am responsible for the internal training and development of our Personal Trainers, ensuring they deliver the HBS biopsychosocial approach to every client.
  • Thrive Class Architect: I designed the delivery framework for our Thrive Rehabilitation Classes, ensuring that people living with chronic conditions like Stroke or MS have access to the same elite-level coaching principles as a professional athlete.
  • Complex Case Management: I work closely with our Physiotherapy team to transition clients from acute pain back into a life of high-performance movement.
Clinical discussion of rehabilitation goals and performance data between a specialist and client at Health by Science Leith.
Clinical supervision of a specialized squat assessment using a safety bar for personal training Edinburgh patients in Leith.
Two male members of the coaching team smiling and talking while sitting in the clinic lounge area.
Professional consultation and goal-setting session between a Health by Science specialist and a client in our Leith facility.

Training for life

I believe that the gym should be a tool for a better life, not a replacement for it. My philosophy is “Long-term Independence.”

Through Personal Training, my goal is to coach you to the point where you have the confidence to manage your own health.

We aren’t here to provide a “patch-up”; we are here to help you move with confidence for the rest of your life. 

Qualifications & clinical leadership

  • Co-Founder, Health by Science
  • Lead Educator, HBS Academy
  • UKSCA Accredited (UK Strength & Conditioning Association)
  • Precision Nutrition L1
  • Specialist in Neurological & Post-Surgical Strength Transitions
Clinical supervision of a barbell bench press for personal training Edinburgh to ensure optimal shoulder stability and form.
Health by Science coach providing a safe spot and technical feedback during a clinical strength training session in Leith.

Structured. Motivating. Performance-focused.

Tailored and progressive

Ross created a tailored programme to support my return to basketball. Clear plan, structured progression and great support throughout.

— Doug Reilly
Reviewed on Google

Clear and confident coaching

Ross gave me a structured plan to rebuild strength after injury. I felt confident in the process and saw steady progress.

— Sean McDonald
Reviewed on Google

Knowledge you can trust

Excellent S&C course that enhanced both my theoretical and practical knowledge. Exactly what you want from a coach.

— Alan Richmond
Reviewed on Google
Clinical review of strength and conditioning biometrics for personal training Edinburgh at our Leith clinic.
Health by Science founders analyzing clinical data for personal training Edinburgh programs in our Leith gym.

Start your journey with the right roadmap

Not sure if you need Physiotherapy, Personal Training, or a Thrive Rehabilitation Classes? At Health by Science, we start with the Movement MOT. This 60-minute assessment is our clarity tool to map out your current baseline and ensure you are placed with the right expert for your specific needs.

Start with a Movement Screening