Inspiring Growth Through
Human First Leadership Development
At TMS Associates, we help managers, leaders, and organisations grow through emotionally intelligent coaching, insight‑led development, and evidence‑based practices that create lasting behavioural change.
Our Values
Human First
People before process. Humanity before hierarchy.
Insight That Empowers
Self‑awareness is the catalyst for confidence, connection, and growth.
Challenge With Heart
We stretch people with compassion, honesty, and belief.
Partnership That Elevates
We grow together: leaders, teams, organizations.
Excellence You Can Feel
Development that is emotionally intelligent, evidence‑based, and behaviour‑changing.
About TMS Associates

TMS Associates is a people‑first leadership consultancy dedicated to helping individuals and organisations grow with confidence, clarity, and humanity. With over 35 years of experience in coaching, leadership development, and behavioural insight, we create development experiences that feel human — not corporate.
Our approach blends emotionally intelligent coaching, Insights Discovery®, neuroscience‑informed practice, and evidence‑led behavioural data to help leaders understand themselves deeply and lead with authenticity. We partner with organisations who believe that when people grow, culture strengthens — and sustainable success follows.
At TMS Associates, development isn’t just taught. It’s felt, lived, and transformed into lasting behavioural change.
Why choose TMS Associates
Choose a partner who grows people, not just skills. At TMS Associates, we create development that’s felt, lived, and genuinely transformative.
Why leaders trust TMS Associates
Proven Experience
Decades of expertise in leadership coaching and development.
Tailored Programmes
Designed to fit your culture, goals, and challenges.
Sustainable Results
Beyond quick fixes, we focus on long-term growth.
Trusted Partner
Leaders and organisations rely on us to unlock potential.
Practical Impact
Real change you can see in collaboration, resilience, and performance.
A Message from the Founder
TMS Associates was created from a simple belief: people grow when they feel seen, supported, and understood. For over 35 years, I’ve watched leaders flourish not because they were given a course, but because they were given belief , belief in their strengths, their potential, and their ability to lead with humanity.
My purpose is to help individuals discover the version of themselves they’ve been too busy, too stressed, or too unsure to notice. Through emotionally intelligent coaching, insight‑led development, and evidence‑based practice, we create leadership experiences that feel human, not corporate, spaces where confidence grows, connection strengthens, and real behavioural change happens.
When people grow, organisations grow with them. That’s why TMS exists. And I’m proud to walk alongside every leader who chooses to grow with us.
Toni‑Marie Vaughan
Our Programmes

Insights Discovery & Beyond

Coaching Services

Management & Leadership Development

Communication & Presentation Skills

Leadership Effectiveness Programmes
Meet the Founder
Toni-Maria Vaughan
She is the founder of TMS Associates a people‑first leadership consultancy built on one core belief: when individuals grow, organisations grow with them.
With over 35 years in talent, learning, and leadership development, Toni‑Marie is an accredited coach and Insights Discovery® Practitioner known for her emotionally intelligent, evidence‑based approach to helping people become the best version of themselves.
Her work is rooted in a lifelong fascination with human behaviour, why some people flourish, why others hold back, and what truly unlocks confidence, connection, and courage. Toni‑Marie designs leadership experiences that feel human rather than corporate, blending honest coaching, practical tools, and meaningful insight that creates real, lasting change.
She collaborates with trusted associates who bring psychological safety practice, neuroscience, and behavioural data into the work, enabling TMS Associates to evidence leadership behaviours, calibrate confidence, and give organisations tangible clarity on how their people grow.
As a coach, Toni‑Marie is known for her warmth, challenge, and unwavering belief in people. She supports leaders and managers at every stage of their journey, helping them build self‑awareness, strengthen communication, and lead with humanity.
Her purpose is simple: to inspire belief, unlock potential, and create cultures where people don’t just perform , they thrive.