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Dr Samantha Hiew helps organisations understand neurodivergence and women's health through science and lived experience. Founder of ADHD Girls and creator of the TOTI Framework, Samantha has trained over 100 organisations and reached more than 100,000 people worldwide.

Trusted by SAP, Meta, KPMG

Samantha Hiew
Samantha Hiew

Samantha Hiew

London, United Kingdom

Typical fee range

£6–10k

This is an estimated fee range for local in-person events. Location and format affect the final fee.

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Samantha Hiew

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London, United Kingdom

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£6–10k

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+44 203 835 2929

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Samantha Hiew's biography

At a glance

  • Founder of ADHD Girls, advocating for neurodiverse individuals
  • Trained 100,000+ practitioners across 100+ FTSE organisations
  • PhD in biomedical science and author of Tip of the ADHD Iceberg

Dr Samantha Hiew is a scientist and founder of ADHD Girls, internationally recognised for transforming how organisations, practitioners, and communities understand and support neurodivergent individuals.


With a PhD in cancer research and a background in communications, Samantha created the TOTI Framework, an integrated model connecting neuroscience, hormones, trauma, identity, and relationships. She is the author of Tip of the ADHD Iceberg and a National Diversity Awards Positive Role Model for Gender.


Samantha was diagnosed with autism and ADHD in her forties, and also identifies as autistic, dyspraxic, and a person with Tourette syndrome. She translates complex science into language that reaches audiences on both an intellectual and emotional level. She has fostered neuroinclusion across more than 100 organisations, including Deutsche Bank, the BBC, KPMG, and Meta, and has trained over 60 AuDHD Women Intersectional Scientific Practitioners, helping leaders and practitioners recognise how neurodivergence presents differently in women.


Audiences leave Samantha's sessions with a deeper understanding of the hidden experiences shaping the lives of neurodivergent individuals, from masking and burnout to hormonal shifts and identity fragmentation. They gain practical strategies for support, along with greater confidence recognising and responding to neurodivergence within their own teams, families, and communities.


Book Samantha to give your organisation the language, science, and lived insight it needs to support neurodivergent employees properly.

Dr Samantha's showreel and videos

Topics, sessions and talks

What If The Framework Was Never Built For Women?

In her signature keynote, Dr Samantha Hiew asks why so many AuDHD women remain hidden in plain sight, unmasked only by systems that were never built to see them. Drawing on lived-experience research, neuroscience, and her original TOTI Framework, Samantha traces masking, burnout, and identity fragmentation back to their roots. Through stories from the AuDHD community and clinical insight, audiences leave with a new set of questions and a deeper understanding of context, adaptation, and whole-person care.

Humanising Neurodiversity: Bridging Science And Soul

Dr Samantha Hiew draws on her PhD in cancer research and her own late autism and ADHD diagnoses to bridge clinical science with lived, felt experience. She unpacks why so many neurodivergent adults, particularly women, go unseen by systems built without them in mind. Samantha translates complex neuroscience into language audiences can carry into their own lives and workplaces, leaving them with a fuller, more human picture of what neurodivergence actually looks like.

The Cost Of Masking: Why High-Performing Employees Burn Out

Dr Samantha Hiew examines why so many high-performing employees are quietly burning out, and traces it back to the hidden work of masking neurodivergent traits at work. Samantha explains the physiological and psychological toll of constant self-monitoring, and why the employees managers rely on most are often the ones closest to collapse. She offers leaders a practical lens for spotting the early signs before performance and wellbeing both suffer.

Workplace Burnout: Reclaim Your Energy As A Neurodivergent

Dr Samantha Hiew tackles the specific kind of burnout that builds when neurodivergent employees spend their days masking and overcompensating just to keep up. Drawing on her own experience and her work with more than 100 organisations, Samantha unpacks why standard wellbeing advice so often fails neurodivergent staff, and what actually helps. Audiences leave with practical, energy-conscious strategies they can apply immediately, both for themselves and for the people they manage.

Tip Of The ADHD Iceberg: Late Diagnosis And Finding Your Voice

Taking its name from her debut book, this keynote sees Dr Samantha Hiew unpack what lies beneath a late ADHD or autism diagnosis: years of masking, misdiagnosis, and searching for an identity that finally makes sense. Samantha shares the science behind late diagnosis alongside her own story, showing audiences how to move from confusion to clarity. Attendees leave with a language for their experience and the confidence to advocate for themselves.

Why we recommend booking Dr Samantha

Samantha's blend of scientific rigour and lived experience translates ADHD and autism research into practical guidance. For organisations working to retain and support neurodivergent talent, her insight speaks to the gaps leaders often miss.

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Trusted by SAP, Meta, KPMG

Testimonials

The TOTI framework completely shifted how I understand and support AuDHD women - moving away from fixing and pathologising, and towards meaning-making, self-trust, and sustainable care. This work feels deeply necessary, long overdue, and something that should be embedded across health, education, and community settings.

To say that the experience was life-changing would be an understatement. Not only does Dr Samantha Hiew provide detailed and insightful information on the latest research on AuDHD in women, but the human aspect of the course, the connection with other participants and the ability for us all to share personal experiences and finally feel seen and understood, was one of the most precious and impactful moments I have experienced in my life.

Sam's work doesn't just expand your mind intellectually and enable me to support others; it reaches the places in you that were never previously seen. The programme helped me understand my life, my diagnosis, my family, and myself with a level of compassion and clarity I didn't know was possible.

Featured Projects

Samantha Hiew - The Tip of the ADHD Iceberg book cover
Samantha Hiew - Utopia podcast cover

frequently asked questions

Something we've not covered here?

How do I book Samantha Hiew for my next event?

To book Samantha Hiew, email samantha.hiew@getapeptalk.com or call PepTalk on +44 20 3835 2929 (UK) or +1 737 888 5112 (US), and one of our speaker agents will contact you within hours to confirm Dr Samantha's availability and speaking fee. If you can, please include your budget upfront – it helps us fast-track your request. It’s also helpful to know the date, format (virtual or in-person), location, and about your audience.

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Does PepTalk charge a booking fee?

No. PepTalk adds no booking fee, so you pay the speaker's fee and nothing beyond it. The service, from shortlist through to contracts and event-day logistics, is included. For repeat or multi-event bookings, PepTalk can agree preferential rates with your procurement team.

What happens after I send a brief?

Share your event date, audience, format, objectives and budget, and PepTalk sends a hand-picked shortlist within 24 hours. Each suggestion comes with a profile, a fee and a recommendation on the strongest fit. Once you choose, PepTalk handles contracts, travel and logistics through to event day.

What does the typical fee range mean?

The typical fee range is the speaker's standard in-person fee in their home market, shown in their local currency. It moves with format, location, date and session length: virtual sessions and shorter slots usually cost less, while international travel and peak dates cost more. Send your brief to PepTalk and the team will confirm the exact fee in your currency.

Have all the speakers on the website worked with PepTalk before?

Not all of them, and it makes no difference to your booking. PepTalk's network of 15,000+ speakers covers talent the team works with directly alongside speakers represented by agents and agencies worldwide. PepTalk approaches the speaker, negotiates the fee and handles contracting either way.

How far in advance should I book a speaker?

Three to six months ahead is comfortable for most events, and 12 months is better for large conferences, peak-season dates or one specific in-demand speaker. Shorter timelines are workable, and PepTalk regularly fills last-minute and replacement bookings within days. Availability is the constraint, so get in touch as soon as you have a date.