High-performing teams regularly demonstrate an ability to engage in candid conversations that willingly embrace different perspectives. They stay attuned to the possibility of confirmation bias and work collaboratively to test all assumptions. The late Swiss crystallographer, Louis Albert Necker, accidentally discovered the optical illusion now best known as the Necker cube. We can consider it as a playful reminder for leaders and team members to keep a genuinely open mind: people and ‘facts’ are not always what they first seem.