His approach
Mark operates at the intersection of leadership, performance, and personal mastery, working with individuals who carry significant responsibility, and the pressure that comes with it.
With over 20 years of experience in coaching and business mentoring, he partners with CEOs, founders, and high-performing professionals who are outwardly successful, yet navigating constant demands, decision fatigue, and the weight of sustaining performance.
Many of his clients face a similar challenge: a business that relies too heavily on them, a full schedule that lacks real control, and the realisation that working harder is no longer the solution.
Mark’s work is strategic and outcome-focused. He identifies the constraints limiting performance and implements systems and structures that restore control, increase profitability, and create time where there was previously pressure.
This is not motivational coaching. It is precise, high-level work that sharpens how clients think, lead, and operate.
The result is a more controlled, profitable, and sustainable way of performing without the constant strain that often accompanies success.
Mark Fennell is coaching over 20 years.
Expertise & qualifications:
- Certified Neuroscience & Psychology Coach
- Qualified Business Coach QQI
- Qualified Life Coach QQI
- Mindset & High Performance Coaching
- Leadership Coach with Maxwell Academy
- Personal & Professional Development Coaching QQI
- Relationship & Mediation Coach
- Diploma in Cognitive Behavioural Therapy
Who I Have Worked With
When Success leads you to feeling Stuck
There is a point many high performers reach though few articulate it.
The business is growing, responsibility is high, and expectations continue to rise. But pace becomes increasingly difficult to sustain.
Despite the success, there’s a growing awareness: this way of operating has limits.
Mark understands this position first-hand.
Earlier in his career, while running a successful business at full capacity, he reached a point where the pressure began to impact his health and clarity forcing a complete reset.
What followed was a shift in how he approached performance.
Not through more effort, but through structure. Systems that reduce dependency. Clearer thinking. A more controlled way of operating.
This is now the foundation of his work helping clients regain control, create time, and build more profitable, sustainable businesses without relying on constant intensity.
Chris Hirst - Global CEO for Havas
★ ★ ★ ★ ★
Likeable, clear and very action focussed. I availed of Marks coaching and it was fundamental in formulating my future plans and goals. Highly recommend him.
Dr. Nina Bal - Business Owner
★ ★ ★ ★ ★
Mark is absolutely incredible. As a doctor and business owner he has helped me both life and business. His knowledge, experience, skills and passion have been fundamental and helpful on my journey of growth and scaling. I am so grateful!
Richard Lynch - Bank Of America
★ ★ ★ ★ ★
Mark displays an incredible passion for his craft. His enthusiasm for people and helping people be their best shines through. For all those looking to BREAK THROUGH, his coaching will get you there personally & professionally.
Sarah Boyle - Hair & beauty Business Owner
★ ★ ★ ★ ★
“Mark is an incredible business coach and mentor! I had been in business for a number of years and was feeling frustrated at the lack of knowledge of how to set a “Realistic” plan for the future of my business. I had goals and dreams but found it so difficult to make a plan to reach them. At the Reboot Course, Mark simplified the process of how to set REALISTIC goals to create the steps to walk the path toward my goals rather than them being some far off unattainable dream. Now, whenever I feel stuck, I go back to the techniques I learned from Mark and it helps me to refocus, be kind and honest with myself and maybe readjust things. Ultimately, this let’s me enjoy the journey and be thankful for all that’s already happened while reviving my motivation to get creative on building towards my goals again. Thank you Mark!
Niamh Cullen - Business Owner & Content Creator
★ ★ ★ ★ ★
I was lacking serious confidence in myself, self doubt, imposter syndrome. But what I didn’t realise I had big parts of my personal life that had a lot to play in my mindset and thinking and Mark spotted this quite quickly. Mark has not only brought back my confidence, he’s made me see my value and my self worth. He has helped me hugely in my personal life and my relationship. I would not know what my life or what way my thinking would be without Mark this year, he is truly incredible with what he does.
Aoibhe Devlin - Business Owner & Influencer
★ ★ ★ ★ ★
“I started seeing Mark this Summer after I was subjected to online harassment. Mark has been a huge help to me mentally and in the short period of time that Mark has been coaching me, my mindset has completely changed. Every single session I walk away feeling motivated and that I can overcome any challenges in that week that I face. I paid quite a substantial amount of money for someone else before and they were not half as good as Mark. I couldn’t recommend Mark enough for what he does. A true gent who helped me more than he will ever”
Rebecca Ryan - Business Owner
★ ★ ★ ★ ★
“Mark has been my life coach and also business coach for over ten years now. I originally went to him as I found myself very lost in life, I had a successful career but I suddenly felt very low & was questioning my purpose in life. I instantly connected with Mark, his enthusiasm for life, and he somehow knew the right things to say to me & the advice to help me out of this hole. One thing that sets Mark apart is how he’s so motivational, it’s contagious & spurs you on! Gets you excited about life! He has a real gift. My life was completely changed ten years ago & Mark helped me to live my best life. I’m happier than I’ve ever been, it’s like a weight has been lifted off my shoulders. I feel I have found purpose for my life! I still book in with Mark from time to time for a session to check in, or if I’m facing challenges in my life – he somehow knows the right thing to say at the right time, motivates me & helps me to reach my full potential. Can’t thank you enough Mark. Highly recommend everyone to have Mark Fennell in their life!”
Mary Elizabeth Bruton - Media Producer
★ ★ ★ ★ ★
“Marks business coaching really helped me with motivation and my confidence. I cannot recommend him and his courses enough! He’s really shown me how to believe in myself and accomplish all that I need to live a fulfilling life. Thank you so much.”
Lisa Bell - Professional
★ ★ ★ ★ ★
Mark knows what your thinking, gives you an explanation and answer so clear that you forget what you were worrying about. His workshop of how to stop over thinking was broken down to simple points to make you stop and think without getting overwhelmed. I also had the pleasure to attend his workshop with my job and it brought me so much clarity and confidence. His book Breakthrough is a great go to as it covers so much that you can resonate with. Excited for my journey within his Tribe Thanks so much Mark.
Start Creating a Life & Career that excites you again
Are you able?
There comes a point where, despite everything working on the surface, something internally feels off.
You’re performing. The business depends on you. Expectations are high.
But clarity takes more effort. Decisions feel heavier. The space to think is gone.
And quietly, the question emerges:
“Is this sustainable?”
“Am I able for this?”
Mark understands that position.
He’s experienced what it’s like to operate at a high level while internally things begin to lose structure and control.
What followed was a shift away from relying on intensity alone, towards building a more deliberate way of thinking and operating.
Clarity where there was noise.
Structure where there was pressure.
Systems that removed the need to carry everything alone.
This is the work he now does with clients.
Helping them regain control, sharpen decision-making, and sustain high performance without the constant strain.
CONTACT MARK