Mark Dean is a brain and mind scientist, workplace mental health expert advisor, and facilitator with over 30 years’ experience in conflict resolution and psychological wellbeing. His approach integrates neuroscience with cognitive and behavioural sciences – as well as social and environmental factors – to optimise mental health, decision-making, emotional regulation, relationships and performance at work.

As Founder of Enmasse, Mark builds psychologically healthy, safe, and productive workplaces for global organisations. Previously, he practiced as a lawyer before focusing on mental health in high-performance environments.

Mark advises law firm partners, university professors, and judiciary members on managing perfectionism, imposter syndrome, and cognitive overload. He serves as a non-executive director across financial and community services sectors while regularly speaking on active bystander interventions to eliminate workplace harassment.