
Neurodiversity Awareness training that changes workplaces.
Oh, That's Why? 8-Week ADHD Course for Late Diagnosed Adults
Evidence-based support for adults diagnosed with ADHD or autism in adulthood, including very late diagnosis after 40.
Next course starts Wednesday June 10th - 7:00pm gmt.

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There are no hacks for living with ADHD. Only understanding "what it means to you?"
If you've received a late or very late diagnosis of ADHD or autism, you may feel you've been left with more questions than you have answers? You now know that it was ADHD all along but you may now be wondering, "what does this mean to me?"
Oh, That's Why? is an evidence-based 8-week online course for adults diagnosed with ADHD or autism in adulthood especially those diagnosed in their 30s, 40s, 50s or beyond. It covers everything you need to make sense of your diagnosis, in the right order, at the right pace.
No pop neuroscience. No social media myths. No psychobabble. Just practical, compassionate, evidence-grounded support built by someone who has lived it in partnership with those who research it, assess it and diagnose it.
Most courses will bombard you with neuroscience, psychology, and information about "what's going on in your brain" but what that doesn't do is help you answer the question "what does this mean to me?"
Oh That's Why is different. It will help you understand you in ways that make sense, that give you language that you need right now, without overwhelming you.
Course fees:
£480 for all 8 sessions.
Payment options:
1) Pay in full on booking
2) Spread the cost over 3 months using Klarna
*not sure what Klarna is? Just click the word Klarna above.
This is a hack free space.
The reality is that most of what you'll find about neurodivergence online isn't evidence-based. It's shared opinion, lived experience presented as universal truth, and well-meaning advice that isn't grounded in what research actually shows helps people.
Courses that promise short cuts, proven hacks and ways to turn your ADHD into a superpower that means you'll be a millionaire entrepreneur as well.
This course doesn't promise any of that.
Oh, that's why? It's the phrase I said repeatedly after my own late diagnosis and one I hear every single time I mentor someone new to theirs. That moment of recognition. That sudden reframe of a lifetime of experiences that never quite made sense.
This course is built around that question. And it's built around something else too.
This course is structured around EEES™ , the evidence-based framework I developed through years of clinical partnership, research and hundreds of hours of mentoring work. EEES™ looks at four areas that shape how every human being functions: Environment, Executive Function, Emotional Regulation and Sensory regualtion. For neurodivergent people, understanding how these four areas interact isn't just useful it's often the thing that finally makes everything click.
Each week is designed around the topics that come up most consistently when I work with people on a 1-2-1 basis and they're rooted in my EEES™ framework.
I've combined 17 years of experience, clinical partnerships and research to create the course I wish had existed when I was diagnosed. Not a list of hacks. Not a rebrand. The right information, at the right time, delivered in a way that actually helps you make sense of your own neurodivergence not someone else's version of it.
My work has reached millions of people. This course is how I go deeper with those who are ready for it.
Every participant will receive a course workbook and journal to help prepare for each week and to track your progress through the course. These workbooks are digital downloads designed to reduce printing that can be completed on any typeof device.
You can learn more about Matt here:
Course fees:
£480 for all 8 sessions. Each session is 2 hours.
Payment options:
1) Pay in full on booking
2) Spread the cost over 3 months using Klarna
*not sure what Klarna is? Just click the word Klarna above.
Who it's for?
This course is for you if:
You've just received a diagnosis of ADHD or autism as an adult
Your children were diagnosed and their reports sounded like they were written about you
You're on an NHS, Right to Choose, or private waiting list and want to understand more now
You were diagnosed years ago but never received any support or guidance
You're in your 40s, 50s or older and wondering what a very late diagnosis means for everything that came before
It is not a therapy course, a productivity system, or a collection of TikTok tips. It is structured, evidence-based support for real life.

Who has created this and delivers the course?
Meet Matt Gupwell
This course isn’t just something I built it’s something I've lived.
Diagnosed with ADHD, autism (with a demand avoidant profile), and dyslexia in my mid 40s, I know firsthand what it’s like to discover a new language for your life at a time when you're supposed to already have it all figured out.
I’m not here to give you Instagram advice or TikTok tips.
I’m here because I’ve spent years working at the intersection of clinical insight, mentoring, and lived experience.
I co-direct Divergence Works CIC, run the co-run the divergenceADHD community support app, co-host the talkADHD podcast, and deliver neurodiversity training and consultancy for global brands, health services, and educational institutions.
My work has helped millions of people make sense of what ADHD and autism mean to them.
But more than that I’ve sat across from people like you and helped them unpack what a diagnosis means when it arrives decades later than it should’ve. I've been there, lived it and understand why this hits so hard.
This course is the result of everything I’ve learned, tested, refined, and lived. It’s not therapy. It's no coaching. It’s not fluff, or social media memes.
It’s support that makes sense built for people who’ve lived enough life to know when something finally rings true.









