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Arabella speaks internationally on uncertainty, decision-making, leadership, wellbeing, and performance in complex environments. Drawing on two decades of research, clinical practice, and work across academia, healthcare, and organisational leadership, she brings together science, storytelling, and practical insight to help audiences rethink their relationship with uncertainty.

Whether speaking to healthcare professionals, business leaders, educators, policymakers, or the public, Arabella explores one of the defining challenges of our time: how individuals, teams, and organisations can thrive in an increasingly unpredictable world.

  • I stumbled across your talk at the conference and I’m so pleased I did. It’s genuinely been one of the highlights of the conference for me. So much of what you said resonated. I really valued the way you brought together such strong storytelling with evidence and research. It felt thoughtful, grounded and very human at the same time. I also really appreciated the clarity of the ideas and the way you made quite complex themes feel accessible without losing any of the depth.

    Nicola, Transform Trauma Oxford, 2026

  • Strongly recommend bringing Dr Arabella back … she was phenomenal!

    Anonymous, Transform Trauma Oxford, 2026

  • We just wanted to take a moment to express our appreciation for your outstanding keynote presentation at the Symposium on Medical Student Education. We have received lots of positive feedback regarding your talk.

    Heather, Harvard Medical School Psychiatry Symposium, 2025

  • Dr. Begin inadvertently began her talk with a live example of uncertainty (her slides not showing up), which she navigated with grace, illustrating the principles of getting comfortable with uncertainty that she outlined in her talk. Thank you!

    Anonymous, Harvard Medical School Psychiatry Symposium, 2025