Sanjay Purohit is CEO and Chief Curator of Centre for Exponential Change. He has over 30 years of diverse experience spanning corporate and development sectors globally. Since 2016, he has been co-creating Societal Thinking, an approach to resolve complex societal challenges with speed, at scale, sustainably. He has engaged with more than 500 change leaders across 20 countries with Societal Thinking in domains such as climate action, education, gender equity, healthcare and livelihoods. The core ideas of Societal Thinking are encapsulated in his book series (Think Scale, Think Speed and Think Sustain). He is mentor and co-founder of apurva.ai, a platform to amplify the collective wisdom of communities with AI. He serves on the Board of Advisors of Don Norman Design Award that champions humanity centred design and Fundamentum, a scale investment fund.