“After years at senior executive level, this programme took me beyond traditional leadership development. It took me into the patterns, presence and connection that shape how I lead. It opened up a depth of reflection and development I had not experienced before.”
We bring human potentialinto greater flow,so you can lead what’s next.
Tell us what you’re after. We’ll shape the pathway to get you there.
I want to stay relevant in the age of AI. I want more cognitive clarity. I want more energy. I want to feel resilient. I want to stay adaptable through change. I want to feel less overwhelm and more presence. I want meaningful connections.
TRAINThe Brain.EXPANDHuman Capacity.LEADWhat’s NEXT.
Neuroscience-based leadership development
for future-ready leaders and organisations.
In a world of rapid change and AI, the human edge matters more.
In Flow Institute brings together a unique blend of neuroscience, psychology, advanced 3D brain technology, nervous system regulation and consciousness practices.
We integrate these fields to expand the human capacity beneath performance, helping leaders access greater clarity, adaptability, resilience, energy, presence, connection and choice.
Your next level isn’t about pushing harder. It’s about expanding your capacity.
See what’s possible25 years of experience. One new approach.
25
Years of experience
3,000+
Leaders trained across global organisations
Leadership. Transformation. Wellbeing.
Now brought together in In Flow Institute.
Selected organisations our founder, Hebe, has worked with in transformation, leadership and wellbeing.
YOU’VE INVESTED MILLIONS IN AI.
How much have you invested in the brains using it?
The next constraint in the AI race is human capacity: the ability to think independently, sustain focus and exercise sound judgement.
Cognitive performance, your organisation’s brain capital, is the new gold.
Do you recognise this?
You are performing at a high level.But it’s taking more of you than it should.
You are experienced. Capable. Used to carrying responsibility. And the environment around you keeps accelerating. More complexity. More information. More change.
- A mind that rarely fully switches off
- Less space for deep thinking and sound judgement
- Falling back on familiar patterns
- Less access to intuition, imagination and presence
- Wanting more energy for what really matters
The challenge is not a lack of capability. It is keeping access to your full range when it matters most.
Most leadership programmes add more on top.
We go underneath.
Measure. Train. Expand.
Train the brain to stay flexible, process complexity and access greater cognitive range, especially when pressure rises.
- Personal neurocapacity assessment
- Advanced adaptive 3D cognitive training
- Training shaped by individual performance
- Measurable progress over time
- Greater focus, flexibility and learning agility
Measure. Listen. Support.
Your state shapes what becomes available to you. We help you understand and manage your energy, listen to the signals of your nervous system rather than override them, and create the conditions for greater resilience, learning and adaptation.
- Blood-based biological insights
- Personalised brain health protocol
- Nutrition, recovery and movement support
- Nervous system regulation practices
- Awareness and management of your energy
- Stronger foundations for resilience, learning and neuroplastic change
Understand. Rewire. Integrate.
This is where capacity becomes leadership. We work with the beliefs, patterns and protective responses shaping how you lead, so you can move from autopilot to greater awareness, adaptability and choice.
At the same time, we strengthen the distinctly human capacities that matter more than ever in the age of AI.
- Neuroscience of leadership and behaviour
- Patterns, beliefs and protective responses
- Awareness and intentional choice
- Judgement, intuition and adaptability
- Identity, values and integrity
- Presence, connection and relational depth
- Real-life behavioural practice
Three layers. One integrated transformation.
More than leadership development.
Traditional leadership development compared with In Flow Institute
Traditional
Skills and frameworks
In Flow Institute
Capacity and transformation
Traditional
Talks neuroscience
In Flow Institute
Trains the brain
Traditional
Generic approaches
In Flow Institute
Data-personalised pathways
Traditional
Mindset and behaviour
In Flow Institute
Brain, system, behaviour
Traditional
Insight and awareness
In Flow Institute
Awareness into choice
Traditional
Behaviour change
In Flow Institute
Rewire and integrate
Traditional
Performance under pressure
In Flow Institute
Adaptability under pressure
Traditional
Skills for today
In Flow Institute
Human capacity for next
We don’t just teach neuroscience. We train the brain, support the nervous system and rewire the patterns that shape how you think, respond and lead.
Pathways
Integrated programmes combining neuroscience, physiology, psychology, mindfulness and real-world leadership experience.
4-Month Leadership Cohort
Beyond mindset. Into brain, nervous system and behaviour.
Expand your capacity. Lead what’s next4 to 6 Month Leadership Cohort
Tailored to your unique challenges to build future-ready leaders.
Expand leadership capacity. Build your edgePrivate 1:1 partnership
Across brain, nervous system and behaviour.
Expand your potential. Unlock your next levelWorkshops, speaking and movement
Team workshops
Build clarity, adaptability and connection under pressure.
Speaking & education
Neuroscience, human capacity and future-ready leadership.
Conscious movement
Regulate the nervous system. Shift energy. Access presence and flow.
From boardroom insight to embodied experience.
Start a conversationPathway 01 · Open-enrolment programme
The Leadership Expansion
4-Month Leadership Cohort
01
What is it?
A four-month immersive leadership programme for experienced leaders ready to expand their capacity from the inside out.
This is not a passive leadership course. You’ll work across brain, nervous system and behaviour, combining objective data, deep personal work and real-life practice.
We uncover what runs on autopilot, rewire limiting patterns and expand your capacity to navigate uncertainty, complexity and change with greater awareness and choice.
Expect to be measured, challenged, mirrored, and fully supported.
You’ll build greater clarity, resilience, adaptability and presence, while creating more space for intuition, connection, energy and flow.
The container is safe. The work is not always comfortable. That is where real development begins.
02
Who it’s for
For founders, executives and senior leaders already performing at a high level, but sensing there is more potential, presence and range to access.
You don’t need more frameworks. You want to think clearly when the path is uncertain, stay adaptable as conditions shift, rewire patterns that still repeat, trust your judgement and intuition, and lead with greater presence and connection.
This is not about becoming someone else. It’s about making more of who you already are, and more of your potential, available.
And in the age of AI, that human range matters more than ever:
Instinct. Intuition. Imagination. Integrity. Identity.
Level up from the inside out.
03
How change happens
Transformation does not happen through insight alone. It needs a deliberate pathway from awareness to intentional choice, new behaviour and integration.
Across six stages, you learn to recognise what is shaping your responses, regulate your state, challenge what limits you and rewire new ways of thinking, relating and leading.
With practice, those responses become increasingly available, especially when navigating the unknown, rapid change or rising complexity.
01
Understand
See how your brain, nervous system and patterns shape how you respond.
02
Regulate
Create more stability, space and choice when intensity rises.
03
Reframe
Challenge the beliefs and automatic responses that narrow your options.
04
Expand
Build greater cognitive, emotional and human range.
05
Align
Bring how you lead into greater alignment with your identity, values and integrity.
06
Integrate
Turn insight into behaviour, reinforcing new responses until they become more available when you need them.
04
What’s included?
- 1 × Comprehensive intake and baseline assessment
- 4 months of advanced 3D cognitive training
- 4-month personalised brain and nervous system health protocol
- 6 × immersive leadership deep dives
- 3 × individual 1:1 coaching sessions
- Curated learning and integration between sessions
- Private cohort space and peer connection
- Real-life behavioural practice
- Personal progress tracking throughout the programme
- 1 × final reassessment and progress review
- Final Personal Progress & Future Capacity Report
Your next level isn’t about doing more.
It’s about accessing more of you, and making more of your potential available.
Start the conversationNot theory. Lived change.
“The programme helped me move beyond my usual patterns of decisiveness and analytical thinking, and create more space for intuition, connection and trust, leading in a way that feels more balanced, conscious and authentic.”
Daniel Markus, Managing Director, Level Up Group
Pathway 02 · In-company programme
The Leadership Edge
A tailored 4 to 6 month leadership programme
01
What is it?
A tailored in-company programme for organisations in fast-changing, complex environments that can’t afford leadership capacity to lag behind.
The Leadership Edge is built around the reality of your organisation: your people, your ambitions and the capacity your leaders need next.
We combine neuroscience, measurable development and deep human work, so your leaders keep access to clarity, judgement and choice when complexity rises.
Organisational transformation only moves as fast as the human capacity behind it.
02
Built around what matters now
Start with the challenge that matters most, or combine several into one leadership journey.
A
AI & Human Skills
Build the distinctly human capacities that grow in value as AI takes on more of what technology does best.
Focus areas
Judgement, intuition, imagination, connection and integrity.
Discuss this focusB
Resilience & Adaptability
Help leaders stay regulated, clear and flexible through uncertainty and sustained change.
Focus areas
Nervous system regulation, energy, recovery and cognitive flexibility.
Discuss this focusC
Organisational Transformation
Build the human capacity to move through transformation without losing clarity, connection or momentum.
Focus areas
Alignment, behavioural change, leadership presence and change readiness.
Discuss this focusD
Your Leadership Challenge
Shape the programme around a specific business challenge, leadership gap or strategic priority.
Focus areas
Defined together, around your organisation, context and people.
Discuss this focus03
How we build it
Every programme is tailored. The architecture stays consistent.
We work across three interconnected layers, shaped around your chosen focus.
Brain Capacity
Train focus, cognitive flexibility, learning agility and decision-making.
Neurophysiology & Regulation
Strengthen the biological foundations of resilience, energy and recovery.
Leadership Transformation
Bring automatic patterns into awareness and develop the behaviours your organisation needs most.
One leadership challenge. Three layers of change.
04
How it works
A tailored programme may include:
01
Discover
- Leadership and organisational needs assessment
- Neurocapacity assessment
02
Design
- Bespoke programme architecture and design
03
Develop
- Advanced 3D cognitive training
- Neurophysiology and nervous system interventions
- Immersive leadership workshops and deep dives
- Team and cohort-based learning
- Individual 1:1 coaching where relevant
- Real-life leadership challenges and behavioural practice
- Curated learning and integration between sessions
04
Measure
- Progress measurement and programme evaluation
- Final insights and recommendations for continued development
The next edge isn’t about pushing leaders harder.
It’s about building the capacity to stay clear, adaptive and fully human as the world changes.
Start the conversationPathway 03 · Ongoing partnership
Executive Advisory
A private 1:1 partnership
01
What is it?
A private, ongoing partnership for senior leaders who want to go beyond traditional coaching.
At senior level, the challenge is rarely a lack of knowledge. It is keeping access to clarity, judgement and choice while navigating complexity, ambiguity and high-impact decisions.
We work beneath the decision: across brain capacity, neurophysiology, nervous system, behaviour and leadership.
02
Who it’s for
For experienced executives, founders and senior leaders who have already done significant development work, and want to deepen, sustain and extend it.
You may be navigating greater responsibility, a transition or unfamiliar territory, where familiar ways of operating no longer create the same results.
You want to
Stay sharp without becoming harder.
Adapt without losing yourself.
Trust your judgement while remaining open.
And keep more of your energy, presence and potential available when it matters most.
03
How we work
Private. Personal. Built entirely around you.
The work evolves with your leadership context, your data and what is happening in real time.
01
Assess
An in-depth assessment of where you stand today.
02
Plan
A personalised development plan, built around your context.
03
Evolve
Ongoing work that moves with your leadership, your data and your moments that matter.
We may work across:
Brain
Cognitive assessment and advanced 3D brain training
Brain health and neurophysiology
Body & nervous system
Nervous system regulation and recovery
Energy awareness and sustainable performance
Leadership
Leadership patterns and blind spots
Rewiring automatic and protective responses
Judgement, intuition and presence
Identity, values and integrity
In the moment
Strategic reflection and decision-making
Critical conversations and pivotal moments
Ongoing integration into how you live and lead
Trusted by forward-thinking leaders
Not just theory. Lived change.
“I built much of my success on analytical thinking. What changed for me in this programme was learning to trust my intuition and instinct just as much, and to bring them into my work, not only my personal life. It has made me a more creative, powerful and authentic leader, with more energy and joy in how I work, connect and lead.”
“What made this programme different was the combination of brain, body and heart: applied science, nervous-system regulation and deeper experiential work. It helped me understand what drives my patterns underneath. I’ve become calmer, less reactive and more trusting of my intuition, with more space for connection, creativity and a more authentic way of leading.”
“The programme helped me become calmer, more grounded and much more aware of the patterns shaping how I respond. Seeing and shifting them felt genuinely freeing. I now feel more stable and confident under pressure at work, and more present and able to switch off at home.”
“This programme helped me become more intentional in how I access focus, possibility and intuition. Through brain training, breathwork and meditation, I learned to create more space, build new patterns and make more conscious choices. I now trust my intuition and gut feeling much more as part of how I lead, with greater clarity, alignment and confidence.”
“What makes this programme different and powerful, is that it works on the brain from several directions at once — science, daily brain training and nutrition. The result isn't abstract knowledge but something I notice in real life: I start responding differently in situations where I used to react on autopilot.”
People
Hebe Boonzaaijer
Founder, In Flow Institute
For 25 years, one question has guided my work: how can we access our full potential?
- Leaders
- 3,000+Leaders
- Global organisations
- 30+Global organisations
That curiosity has led me to work with 3,000+ leaders across 30+ global organisations on leadership, personal transformation and wellbeing. Across cultures and boardrooms, I’ve seen how knowing ourselves and changing unhelpful patterns can open new possibilities, for ourselves, our relationships and the people we lead.
That same curiosity has shaped my studies, starting with Psychology (MSc, University of Amsterdam / University of New South Wales), followed by postgraduate training in Mindfulness at Radboud University and Leadership Neuroscience at Harvard Medical School. I further specialised in applied brain health and neurophysiology through Marvalous Health Brain Training & Coaching, alongside extensive training and practice in nervous-system regulation, embodiment and bodywork.
With In Flow Institute, I bring together the wisdom and practical tools I’ve gained along these paths to help people access more of their potential, starting with the brain.
Yes, I’m on that journey too. Still practising, stepping beyond what feels familiar, and discovering how much there is to learn.
Read Hebe’s story +Leadership at its highest level isn’t just about what you achieve. It’s about the legacy you leave behind.
Published Thinking
The Best Version of Me
Boosting Your Well-Being
Co-author – chapter: Energy
Hebe contributed the chapter on Energy to this international collaboration on human wellbeing and potential.
Explore the book +
Earlier Published Work
De HX Factor
Contributor – chapter on wellbeing as a catalyst for growth and innovation
An earlier contribution to the conversation on human capital, wellbeing and more human organisations. Hebe co-authored the wellbeing chapter with Maureen Berkhout; the book was led by Hans van der Heijden and Ronald Meijers.
Order the book +Working with Hebe
The work goes deep, but it stays grounded in the realities of senior leadership. Leaders describe working with Hebe as rigorous, human and highly relevant to how they live and lead.
“Hebe’s natural warmth and corporate experience made me feel supported and challenged to see myself more clearly, as a person and a leader.”
“Hebe doesn’t tell you how to lead. She creates the conditions to explore parts of yourself that are much harder to access through intellect alone, with exceptional preparation, warmth and depth.”
“Hebe created a safe container to explore deeply. It took me into layers of myself I had never accessed before, while remaining highly relevant to how I live and lead.”
“With Hebe, I felt invited to meet myself with more love and honesty, beneath the masks. I’m learning to trust and voice my inner knowing, without needing validation or explaining myself.”
“Hebe is an inspirational leader and mentor who empowers others to deepen their self-awareness and become more effective. She embodies the principles she teaches, bringing authenticity and purpose to everything she does.”
“Hebe made an incredible impact on our global leadership work at Deloitte. She stood out among the most talented people in our global organisation.”
“Hebe brings wisdom and authenticity in equal measure, leading with curiosity and humility. I’d jump at the chance to work with her again.”
Expert Partners
Deep work needs different expertise.
In Flow Institute brings together a select circle of specialists across neuroscience, brain health, neurophysiology, psychology, leadership, wellbeing and human transformation, adding depth where each individual or organisation needs it most.
Brain Health · Neurophysiology · Performance
Founder of Marvalous Health and pioneer in integrated brain health, combining advanced brain training, physiology and human development. His work builds on 20+ years of leadership experience in the Royal Netherlands Air Force.
Leadership · Human Development · Future of Work
Professor at Nyenrode and IE University and former McKinsey Partner and Global Chief Learning Officer. An internationally recognised thought leader on leadership, learning and human development.
Wellbeing · Human Connection · Happiness
A pioneer in leadership development and workplace wellbeing for 25+ years, bringing greater humanity, connection and wellbeing into how we live and work. Director of Action for Happiness Netherlands and a Marvalous Health Brain Coach.
Psychology · Embodiment · Transformation
Psychologist, founder of KABI·RA and transformational facilitator working at the intersection of psychology, embodiment and deep human development, with a background in leadership and change at Deloitte.