Sarah Duncan is Co-founder and Director of Expert Advice / Sleeping Lion – a certified BCorp. Her background is in leisure and hospitality, and she now specialises in Sustainability (or ESG), having written two books on the subject: The Sustainable Business Book (2023) and The Ethical Business Book (2019). Through training, consultancy and guest speaking, she helps businesses understand the commercial and moral benefits of sustainable and ethical business practice, and advises on how to make sustainability a genuine part of your business culture, not just a tick-box exercise.