Atomic Ambition is an 8-week Career Accelerator.
You will define your ambition, build your roadmap, and make your next big move.
The current cohort is closed, but you can join the waitlist for the next cohort.
Join the waitlistGet more impact, income, and influence.
Maybe you’re at a crossroads, unsure of what’s next.
Or maybe you’re ready to take on your next big challenge.
Wherever you are, Atomic Ambition is here to accelerate your career.
What is Atomic Ambition?
The Proven System to Unlock Your Next Big Career Move.
The Atomic Ambition program is your personalised roadmap to achieving bold, career-defining results.
Whether you’re stuck in neutral or already ready to accelerate toward your next challenge, it will help you:
- Define exactly what success looks like for you.
- Develop unshakable confidence to go after it.
- Create a clear plan to make it happen.
Define Your Ambition
Gain clarity on what’s next and discover what truly motivates you.
Set bold, career-defining goals that challenge your limits.
Build Confidence
Silence self-doubt, overcome the fear of failure, and avoid regret.
Develop the mindset to take on bigger challenges with confidence.
Execute
Break goals down and take confidence steps forward.
Execute ambitious plans with focus, precision, and maximum measurable impact.
Atomic Ambition is designed specifically for ambitious professionals and leaders.
With a proven system, live expert coaching, and a supportive community, you’ll stop spinning your wheels and start seeing real results.
This isn’t about playing it safe or settling for ‘good enough’.
Atomic Ambition is your chance to stop waiting and start building a career and life you’re genuinely excited about.
From Partner to Entrepreneur:
Your Guide to Ambition and Transformation
I’m Mostyn, and I’ve walked both paths: the ambitious climb to leadership and the bold leap into reinvention. After years of focus, hard work, and building strong relationships, I became a partner at KPMG, one of the world’s leading professional services firms. It was the culmination of two decades of persistence, strategic thinking, and personal growth. In addition to my client-facing role, I spent seven years as the COO and the Head of People of a major division of the firm.
But I didn’t stop there. I realised I wanted to redefine success for myself – so I made the decision to leave the corporate world and build my own business. Today, I guide ambitious professionals and leaders like you to unlock their potential, whether you’re striving for the next big milestone or ready to chart an entirely new course.
Through my journey, I’ve mentored and coached hundreds of professionals – from aspiring leaders to seasoned executives – helping them achieve clarity, confidence, and results.
I know the questions running through your mind: Can I make it to the top? Is it worth the sacrifices? What if I want something completely different? These are the same questions I’ve faced – and answered. The truth is, success looks different for everyone, but getting there requires clarity, confidence, and the right plan. That’s where I come in.
Whether you’re striving for your next big promotion or ready to pivot into something new, Atomic Ambition gives you the tools, support, and framework to succeed – on your terms.
Let’s build your next chapter together.
Cecilia Crossley, CEO & Founder, Uplifting People
"𝘔𝘰𝘴𝘵𝘺𝘯 𝘴𝘵𝘳𝘦𝘵𝘤𝘩𝘦𝘥 𝘮𝘺 𝘵𝘩𝘪𝘯𝘬𝘪𝘯𝘨 𝘢𝘯𝘥 𝘩𝘦𝘭𝘱𝘦𝘥 𝘮𝘦 𝘳𝘢𝘪𝘴𝘦 𝘢𝘯𝘥 𝘤𝘭𝘢𝘳𝘪𝘧𝘺 𝘮𝘺 𝘢𝘮𝘣𝘪𝘵𝘪𝘰𝘯, 𝘢𝘴 𝘸𝘦𝘭𝘭 𝘢𝘴 𝘱𝘭𝘢𝘯𝘴 𝘵𝘰 𝘢𝘤𝘩𝘪𝘦𝘷𝘦 𝘪𝘵. 𝘔𝘰𝘴𝘵𝘺𝘯'𝘴 𝘢𝘱𝘱𝘳𝘰𝘢𝘤𝘩 𝘪𝘴 𝘢 𝘸𝘰𝘯𝘥𝘦𝘳𝘧𝘶𝘭 𝘣𝘭𝘦𝘯𝘥 𝘰𝘧 𝘵𝘩𝘰𝘶𝘨𝘩𝘵𝘧𝘶𝘭 𝘴𝘵𝘳𝘢𝘪𝘨𝘩𝘵 𝘵𝘢𝘭𝘬𝘪𝘯𝘨, 𝘤𝘩𝘢𝘭𝘭𝘦𝘯𝘨𝘦 𝘢𝘯𝘥 𝘦𝘯𝘤𝘰𝘶𝘳𝘢𝘨𝘦𝘮𝘦𝘯𝘵."
How it works
10.5 hours of live interactive sessions, combining actionable frameworks, real-world case studies, and group discussions.
- 5 x 1.5 hour live Modules on Zoom:
- Weekly sessions to guide you through the process.
- There is some powerful theory, but I want you to make decisions and take action – so you'll do some of that in each live session.
- You will leave each session with the next stage of your Roadmap completed, knowing what to do next – and what your homework is.
- Live Q&A.
- 3 x 1.0 hour Implementation Sessions on Zoom:
- Once we have completed the five core Modules, we will have an Implementation Session each week for three weeks.
- The purpose of these sessions is to keep your momentum and community support high, as you implement what you have decided.
- These are a combination of group coaching and Q&A.
- Community:
- Cohort WhatsApp group.
- A supportive community is one of the most powerful things you can have when making significant changes in your life.
- You will be joining a network of high achievers all going through a similar process.
- You will be able to benefit from the power of the experience and expertise from others in the Cohort.
- I will also be active in the WhatsApp group, with advice and suggestions for the duration of the Cohort.
- (Optional to join.)
What we'll cover
- Define Your Ambition
The first step to achieving big results is getting crystal-clear on what you want.
You’ll learn how to: - Identify unfulfilled ambitions and untapped potential
- Overcome common traps like playing it too safe
- Align your ambitions with your values
- Big Career Moves
The key to advancing your career is critically assessing your current path and determining what the right big move is for you.
You’ll learn how to: - Critically assess where you are in your career and explore what’s next
- Use unconventional tools for evaluating career paths and mapping out transitions
- Take bold, strategic actions in your career, with confidence
- Solopreneurship
The transition to solopreneurship starts with understanding if it’s the right fit for your life and goals.
You’ll learn how to:- Decide whether solopreneurship aligns with your personal and professional goals
- Learn the realities of transitioning from a corporate role to entrepreneurship
- The real highs and lows of being a solopreneur
- Redefine Your Ambition
True growth comes from revisiting and refining your ambitions with new insights.
You’ll learn how to:- After exploring big career moves and solopreneurship, you’ll revisit and refine your ambition
- Incorporate new insights and align your ambition with your goals around impact, income, and influence
- Develop a redefined ambition statement to guide your next chapter
- How to Make It Happen
Turning big ambitions into reality requires focus, strategy, and momentum.
You’ll build a personalised roadmap and learn how to:- Identify the most important levers to pull
- Master prioritisation
- Build momentum with accountability systems
Bonus Material
Exclusive Roadmap Workbook
- A detailed roadmap workbook and templates to guide your ambition journey.
Video Recordings of All Live Sessions
- Access the content anytime if you miss a session.
Community Access
- Join a group of ambitious professionals for networking and support.
Pre-course Materials
- A one-hour self-paced session to you get started.
Atomic Ambition is for you if...
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You’re Ready to Break Free from Feeling Stuck: Atomic Ambition is for professionals and leaders who feel trapped in unfulfilling roles and are ready to discover a clear path forward toward bold, transformative goals.
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You’re Willing to Step Outside Your Comfort Zone: If you’re eager to challenge what’s “normal” and pursue ambitions that push boundaries, Atomic Ambition will empower you to think and act bigger.
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You’re Hungry for a High-Impact Program: Designed for driven individuals, Atomic Ambition offers focused, action-packed sessions to deliver maximum clarity, confidence, and results in a short timeframe.
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You’re Committed to Taking Bold Action: If you’re ready to apply what you learn and move decisively toward your ambitions, Atomic Ambition will give you the tools and frameworks to make it happen.
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You’re Open to Redefining Success: Atomic Ambition is for professionals who want to align their ambitions with their values and explore new perspectives that challenge societal norms.
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You’re Focused on Sustainable Progress: Atomic Ambition is designed for individuals committed to building meaningful momentum toward life-changing results.
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You’re Willing to Invest in Yourself: Achieving your ambitions requires prioritising your growth and dedicating time, energy, and resources to creating a future you’re proud of.
Atomic Ambition is not for you if...
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You’re Comfortable Staying in Your Comfort Zone: If you prefer sticking to what’s “safe” or “normal” without challenging yourself to think bigger, Atomic Ambition won’t be the right fit.
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You Prefer a Slower-Paced Program: Atomic Ambition is designed for ambitious professionals who want focused, intensive sessions packed with actionable steps. If you’re looking for something over a longer period, this might not be the right fit.
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You’re Not Ready to Act: Atomic Ambition is built for people ready to apply what they learn and take bold steps. If you’re looking for passive content to “think about,” it might not align with your goals.
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You’re Unwilling to Reevaluate Your Ambitions: If you’re not open to challenging societal norms, redefining success, or exploring new perspectives, Atomic Ambition won’t resonate with you.
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You’re Expecting Instant Results: Achieving transformative goals requires effort, reflection, and action. Atomic Ambition will provide the tools to get you there in eight weeks, but it’s up to you to make the change.
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You’re Not Ready to Invest in Yourself: Achieving ambitious goals demands time, energy, and money. If you’re unwilling to prioritise your personal or professional growth, this isn’t the right time for you.
Testimonials
These reviews are from Mostyn's programs with companies like Bupa, KPMG and Royal London.
- "I love the emphasis on the actions we can take today and tomorrow to really put this information to the test and use it to help us learn and grow."
- "Really well presented and perfect level of content."
- "This was fantastic. Appreciated all the practical tools on offer. Look forward to trying them out. Thank you!"
- "I thought this was really engaging, relatable and insightful... some very helpful actions to take with me to help with my career going forward."
- "Really insightful... a great way to help ‘reframe’ thinking in a manner that feels doable."
- "Fantastic – both the content... and the way it was delivered."
- "Great to have a session that makes you consider your self-perceived 'weaknesses' with a different lens."
- "So much useful, practical detail with scientific backup where relevant, really enlightening and helpful."
- "Really great session. Extremely relatable content with some clear actions to take away and work on."
