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Dr Tremaine du Preez

Decision Scientist

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Dr Tremaine du Preez Courses

Adaptive Decision Making: Think Fast and Act Smarter

$11.99

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Coaching Better Decision Making for Teams and Leaders

$19.99

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Mastering Ethical Decision Making at Work

$19.99

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Most Recent Review

I really enjoyed this course. It made me think different about thinking. I felt like the role play segment should have allowed more time for trainee answers, however.
- Review by James Windbigler on Coaching Better Decision Making for Teams and Leaders

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Instructor Bio

Dr Tremaine du Preez

Decision Scientist | Author | Educator | Advisor


Helping Leaders Decide With Clarity and Integrity

Dr Tremaine du Preez is an internationally recognised decision-making expert with over 15 years of experience helping leaders and organisations make better choices—strategically, ethically, and under pressure.


She is the founder of DECIDE, a consultancy dedicated to strengthening decision capability in complex environments. Tremaine has advised senior leaders across banking, energy, healthcare, and public policy. Her work spans Asia, the Middle East, and Europe, where she collaborates with global business schools, regulatory authorities, and law enforcement agencies to design smarter decision systems and challenge unconscious bias in high-stakes decisions.


Tremaine holds a PhD in Decision Science, an MSc in Financial Economics, and qualifications in informatics, capital markets, and the performing arts. She is the author or co-author of five books, including the upcoming “Making the Right Call: A Leader’s Guide to Ethical Decision-Making” (Routledge, 2025).


Whether you’re looking to improve your personal decision-making, build ethical leadership skills, or lead under uncertainty, you’re in the right place.