Stew & Liz Darling

The Unstoppable Force Partnership who are committed to making a difference in people's lives.

An Unstoppable Team

The foundation of all leadership is relationship. That is why the partnership between Stew and Liz is key to the delivery of all Unstoppable Force activities.

Both Stew and Liz served in the armed forces. They understand sacrifice and service to others and have created a partnership based on honesty and trust.

They are committed to making a difference through demonstrating the essential role that life balance plays in successful teams and for successful leaders.


Some of the clients we've worked with:

5 star service

Stew has a unique gift of translating cutting-edge science and Unstoppable concepts into clear accessible language all of which provides actionable tools that I am pleased to say I now see my team utilising every day. His delivery is light-hearted, totally engaging and free flowing. His workshops are some of the best personal and professional development my team and I have experienced.

Joe Mullins – Chair, First National NZ Real Estate


Stew Darling

CEO and Founder of Unstoppable Force, Stew is a former Lieutenant Colonel in Military Intelligence with a 23-year career in the British Army running security, intelligence, and counter-intelligence operations around the world. Stew worked with all three UK national intelligence agencies and was responsible for thousands of lives in high-stress environments including operations in The Balkans, Iraq, and Afghanistan.

After Stew left the Army, Stew and Liz emigrated to New Zealand where Stew became CEO of a software start-up.

Since launching Unstoppable Force, Stew has applied his extensive skills and experience to make a difference in the lives of individuals and businesses. He has written a book and recorded a podcast series.

Liz Darling

Chief of Staff of Unstoppable Force Liz Darling had a 30-year career as a Registered Nurse and Midwife, including a three-year service commission with the Queen Alexandra Royal Army Nursing Corps serving in military hospitals in Germany and the UK.

While raising her two children with Stew, Liz was an active military wife taking on many support roles, including Casualty Visiting Officer. This position saw her supporting families of bereaved and injured service personnel.

After emigrating to New Zealand, Liz continued to work as a midwife, as both a flight retrieval midwife and a maternity manager.

Fuelled by her belief that true wellness requires a holistic approach to health, Liz now works to unlock people’s Unstoppable Force by supporting them to take care of their nutritional, physical, and mental health.

As seen and heard on the following media platforms:

Seminars & Presentations

Stew Darling is a gifted and engaging public speaker. He can light the spark with a powerful keynote presentation or seminar.

Book a Keynote or Presentation »

Leadership Coaching

Finally, your own New Zealand based coach who has the expertise to help create powerful change in your business.

Leadership Coaching Services »

Unstoppable Workshops

Workshops that work from a leader who has led. Become Unstoppable and establish the best vision for your organisation.

View Workshops »

Mentoring for CEOs & Boards

Let us help you and your organisation develop the system-wide leadership capability which guarantees success.

Make us part of your team »

Insights from Stew Darling & Curated Experts

Keep up-to-date with all Unstoppable Force media coverage, events and opinions