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Sabina Brennan
Think faster, sharper, better with Dr Sabina Brennan neuroscientist, health psychologist, bestselling author, and award-winning science communicator. Expect powerful thought-provoking talks that blend expert insights with practical tools that motivate and ignite meaningful change in every audience. Sabina turns complex neuroscience into practical, life-changing tips for resilience, high-performance, goal attainment, brain health, and everyday wellbeing.


Sabina Brennan (PhD, C.Psychol., PsSI) translates complex neuroscience into easy-to-understand information and practical advice to enhance performance, build resilience, and boost brain health. She is a passionate, much sought-after speaker, panellist, and MC. Always inspiring, entertaining, and practical, her engaging talks are tailored to each audience and aim to exceed client’s expectations.
Sabina has authored four Irish Times bestsellers - 100 Days to a Younger Brain, Beating Brain Fog, The Neuroscience of Manifesting, and Still Me. Her books and animated films have been translated into multiple languages.
Sabina is trusted by national and international media for her expert insights from neuroscience, entertaining explanations, and clear commentary that make sense of human behaviour with honesty, heart, and humour.
For more than 15 years she has been delivering high-quality, evidence-based sessions to companies including: Accenture, Allianz, Alltech, AIB, Autodesk, Bank of America, Bayer, Birketts, Bord Gáis Energy, Dentons, CCD, Ernst and Young, Indeed, Irish Life, KPMG, LEO, MERK, MUFG, Novartis, One4All, PA Consulting, PlayStation, Property Mark, PWN, Reach, Roche, RPC, Stagwell, Terumo, Teva, Wayfair, UKROEd.
A former director of a brain health and dementia research programme at Trinity College Dublin, Sabina has also advised government, parliamentary groups, multi-nationals, and NGOs on brain health, workplace wellness, neurodiversity, ageing, and brain fog.
She is host of the Super Brain Podcast and has also been a guest on many high profile podcasts including The Blindboy Podcast, Begin Again with Davina McCall, The Doctor’s Kitchen, and Liz Earle Wellbeing.
Topics, sessions and talks
A science-led high-performance keynote that positions brain health as cognitive performance infrastructure – the foundations of focus, learning speed, emotional regulation and decision quality under pressure. Dr Sabina Brennan draws on the science of neuroplasticity, cognitive reserve and brain maintenance, it shows how modern work can quietly deplete cognitive capacity, then offers a clear, memorable framework (Activities, Attitude and Lifestyle) and practical tools to strengthen attention, resilience and recovery. Relevant across all ages, this talk helps teams and leaders improve clarity, reduce avoidable errors and build sustainable performance rather than short-lived intensity.
Dr Sabina Brennan delivers a high-performance session on what happens when the brain’s operating system is under strain, and how that quietly erodes attention, processing speed, memory and executive function – the cognitive foundations of good judgement and consistent delivery. It helps audiences recognise early warning signs, understand the most common drivers (sleep debt, stress load, cognitive overload, life-stage factors including menopause, nutrition, movement and health/medication contributors) and apply practical strategies to restore clarity and reduce rework and errors. Menopause is included as a common context, but the focus is intentionally broader because ‘brain fog’ is often the workplace label for overload and recovery debt.
This keynote by Dr Sabina Brennan reframes sleep and stress as performance infrastructure: the biological foundations of judgement, focus, emotional regulation and safe decision-making. Using the sleep–stress cycle and the concept of sleep reactivity, it explains why modern work patterns can lock people into a self-reinforcing loop (more stress means less sleep, which in turn means more stress), and then provides realistic, evidence-led tools to break it. Audiences leave with a practical playbook for high-demand periods – including rapid downshift techniques, sleep-supportive routines and leader actions that reduce cognitive load and protect recovery across teams.
Most change initiatives fail not because people are unwilling, but because change is neurobiologically expensive: it demands attention, effort and uncertainty management while the brain tries to conserve energy through habits and automation. In this keynote, Dr Sabina Brennan translates the neuroscience of patterns into a practical framework for organisational change: why behaviour defaults back under pressure, how to build new routines that stick and how leaders can design environments that make adoption easier. It’s a high-performance session focused on execution – reducing friction, shortening the ‘dip’ in capability during change and creating sustainable, repeatable behavioural shifts.
In this thought-provoking keynote, Dr Sabina Brennan that reframes AI as more than transformation or productivity – it’s a neuroplasticity event reshaping the human brain and, with it, organisational judgement. Using the parallel of humanity’s first fire – the environmental shift that helped unlock our capacity for learning, cooperation and long-horizon thinking – this talk explores how today’s ‘second fire’ can either strengthen decision quality or quietly erode it through capability drift: thinner mental models, inflated confidence and diffused accountability. Audiences leave with practical principles and simple protocols (including ‘AI second’ moments and proof-of-thinking norms) to design AI-enabled workplaces that become not just faster, but wiser, with a brief, evidence-led lens on attention, overload and sleep as the biological infrastructure of good judgement.
Dr Sabina Brennan will show you how to harness the power of your brain to move from chance results to consistent conscious success whatever your goal. Expect expert insights from neuroscience and evidence-based practical tips for personal transformation, optimal performance, goal-attainment, resilience, brain health, and everyday wellbeing presented in an engaging and entertaining way. Sabina’s passion is motivating and inspirational. Her aim is to give you the key to unlock your brain’s potential so you can unlock your own.
Testimonials
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frequently asked questions
Something we've not covered here?
To book Sabina Brennan, email sabina.brennan@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 Sabina'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.
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.
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.
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.
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.
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.
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