Shirralee is the Founder and CEO of Positive Wellbeing Limited, delivering evidence-based mental health, wellbeing and leadership training to schools and organisations across Hong Kong and the Asia–Pacific region. She brings over 28 years of international experience, with extensive work in Hong Kong’s international and bilingual school communities, as well as professional practice in Asia, Australia, and the UK. She specialises in mental health, wellbeing and psychological safety, supporting school leaders, CPD teams, and wellbeing leads to create environments where staff feel safe to speak up, collaborate, and learn. Her work blends research-informed frameworks with practical leadership behaviours that can be embedded into everyday professional learning and school culture. Shirralee is a Principal Master Instructor for Mental Health First Aid (MHFA) International and has trained thousands of educators and school leaders. Her background includes establishing counselling and whole-school wellbeing services within international school settings, and designing evidence-based programmes focused on communication, boundaries, resilience, and emotionally safe cultures.