The Fitness Psych

Retention and performance psychologist for online coaching businesses

Churn is predictable. That means you can prevent it.

I'm Dr Ella Whitcomb-Khan, a retention and performance psychologist for 6 and 7-figure online fitness businesses. I help fitness founders find out why clients leave, disengage or fail to get results, then redesign the coaching experience to improve retention, protect recurring revenue and help more clients succeed.

Book a callSee how I work
Dr Ella Whitcomb-Khan smiling while leading a workshop
Dr Ella Whitcomb-KhanPhD · MSc · BSc Psychology

Companies I've worked with

How I work

Churn follows patterns. Once you can see them, you can prevent it.

Clients rarely leave for just one reason. Disengagement, missed check-ins, poor results and cancellations are often symptoms of deeper problems in the coaching experience.

The causes might sit in the expectations set during sales, how clients are onboarded, the quality of coaching, or how progress is tracked.

My job is to find out what's actually happening, identify where retention is breaking down, and help you fix it.

Behaviour change research combined with hands-on commercial experience.

A focus on both coaching performance and client outcomes, because better delivery creates stronger retention.

  1. 1
    01 DiagnoseFind what's driving churn

    The Diagnostic Sprint assesses your business across six core areas to uncover retention risks, identify gaps and establish what to fix first.

  2. 2
    02 FixFix your top priorities

    I work with your leadership and coaching team to implement the highest-impact improvements to your client journey, coaching systems and programme delivery.

  3. 3
    03 SustainKeep retention improving

    Ongoing advisory helps your team maintain standards, track performance and continually improve retention as your business grows.

Services

How we fix retention together

Most clients start with the Diagnostic Sprint, then we fix the priorities it uncovers together. If you'd rather make the changes in-house, the Client Success System Install gives you my tools to do it.

Start here · 3 weeks

Retention & Renewal Diagnostic Sprint

01

You're bringing clients in, but too many disengage, request refunds or leave before they're supposed to. Revenue keeps leaking out, and acquiring more clients only masks the problem.

Over three weeks, I investigate what's driving churn across six core areas of your business, uncover where your coaching experience is falling short, and identify the changes most likely to improve retention.

Outcome

Know exactly where your retention problems are, what's contributing to them and what to fix first. You'll receive your Retention Diagnostic Report: your scored six-area assessment, key retention risks, their underlying causes and a prioritised action plan. Then we tackle your top priority together. Full implementation support is available afterwards.

The six areas I assess
  • Onboarding
  • Client journey
  • Coaching quality
  • Client & data tracking
  • Magic moments
  • Lifetime value
After the Diagnostic Sprint · Flexible delivery

Retention Implementation

02

The sprint tells you what to fix. Implementation is where we make it happen.

I provide the strategic direction, frameworks, team training and quality assurance to help you improve your highest-priority retention areas. Your team owns the execution, with my guidance and feedback throughout.

Outcome

Your team equipped to implement stronger coaching systems, client experiences and processes designed to reduce churn and improve renewals.

Two options
  • Implementation Lite: Focused strategic guidance and review for your top retention priority. From £4,500.
  • Implementation Intensive: Deeper strategic involvement, team training and quality assurance across your top two retention priorities. From £10,500.
  • Client Success System resources included.
  • Ongoing advisory available afterwards.
Complete methodology · for coaching teams & solo coaches

Client Success System Install

03

Build a coaching programme and world designed to get clients better results, keep them engaged and give them more reasons to renew.

This self-paced programme gives you my psychology-backed frameworks, tools and guidance to redesign your coaching experience in-house.

Outcome

A more structured, psychology-informed coaching programme, with a clearer client journey, consistent coaching standards and systems designed to improve engagement, results and retention.

What's included
  • Step-by-step programme design curriculum
  • Coaching frameworks and implementation templates
  • Tools and resources for your team
  • Private messaging support with me for 60 days
  • A 1:1 strategy call with me and 5 mini-reviews
Proven in practice

One business increased its renewal rate from 60% to 80% within six weeks of implementing the programme.

Results

What changes when you fix retention

80%

Renewal rate, increased from 60% following a six-week coaching programme redesign.

Toby
Toby
Mind Matter Fitness
12+ months

Client lifespan increased from 4 months to over a year following a diagnostic, implementation and ongoing advisory partnership.

Raquel
Raquel
COO, Daily Body Coach
200+

Coaches trained and supported in client retention, coaching quality and behaviour change.

“It's proved to be one of the best investments we've ever made as a company. … With her help, we've completely rebuilt our program around psychology, and since making that transition, we've tripled our revenue, moving from a 4-month lifetime value to over a year.”
Raquel
Raquel
COO, Daily Body Coach

Hear it from them

  • DanStrong Collective
  • Sascha
  • Bexs
Ella presenting to a room of business ownersElla laughing in front of a Welcome screen at an event

About

Your retention problem might not be what you think.

I'm Dr Ella Whitcomb-Khan, a psychologist specialising in behaviour change, coaching performance and client retention.

When clients disengage or leave, it's easy to assume they lack motivation or need more accountability. But the real problem might be how your programme is designed, how your coaches deliver it, or something happening much earlier in the client journey.

“Most performance problems are people problems that haven't been understood yet.”

I have a PhD in psychology, specialising in exercise psychology and behaviour change, and previously taught at university. Since moving into the online fitness industry, I've led client success inside six- and seven-figure businesses and supported over 200 coaches.

Today, I work with founders and their teams to uncover what's driving churn and build coaching experiences that get better results, keep clients longer and work consistently as the business grows.

PhD PsychologyMScBScFormer university lecturer200+ coaches supported

Podcast

The psychology of keeping clients

Why do clients disengage, stop following their plans or leave programmes that could genuinely help them?

On The Fitness Psych Podcast, I explore the psychology behind client behaviour, coaching performance and retention, sharing insights, practical ideas and lessons from inside online coaching businesses.

For founders and coaching leaders who want to understand their clients better and build programmes that actually work.

RetentionClient experienceBehaviour changeLeadership
SpotifyApple Podcasts
Ella speaking at a workshop table with the PERMA wellbeing model on screen
Podcast

The Fitness Psych Podcast

Hosted by Dr Ella Whitcomb-Khan.

Start with these episodes

  • The Fitness Psych Podcast · Jul 2025

    The 4 R's of Retention: Reduce Churn and Keep Clients Longer

    SpotifyApple Podcasts

  • The Fitness Psych Podcast · Oct 2024

    How Toby went from £2k/m to £6k/m by focusing on retention and renewals

    SpotifyApple Podcasts

  • Guest on The Successful Personal Trainer: UK Edition · Mar 2026

    Behaviour Change: The Key to Client Retention

    SpotifyApple Podcasts

  • Guest on The Performance Psychcast · Jun 2024

    Helping Fitness Coaches From a Psychological Perspective

    Listen nowSpotifyApple Podcasts

  • Guest on the Team FNC Podcast · May 2023

    Motivation, Self-Sabotage and Effective Coaching

    Apple Podcasts

  • Guest on The Mind and Matter Fitness Podcast · Feb 2025

    Men and Their Emotions

    Spotify

  • Guest on Well, It Depends · Nov 2023

    How Burnout Affects Our Nutrition Choices

    Spotify

Contact

Tell me what's not working.

Book a call and tell me what you're seeing. Most clients start with the Diagnostic Sprint, and we'll work out together whether it's the right fit. I only take on clients I'm confident I can help.

Book a callOr email me
ella@thefitnesspsych.com