She teamed up with fellow lapsed physicist Peter Allen, and Cliff Bowman to write her book. They are evangelical about their topic. “Once you recognise the realities of the complex world, there is no going back, and we have titled this book ‘Embracing Complexity’ for a reason. If you take on board what it means to say the world is complex, this will change the way you think, feel and act. And we think this will be a change for the better.”

‘Ignoring the essential interconnectedness of societies and organisations does not make it go away’, Jean says. ‘Recognising the complexity and interdependence underpins the way I approach everything and informs my approach to change, strategy development and organisation design.’