Greg is a globally-acclaimed thought leader, author and keynote speaker who has delivered more than 350 talks to executive audiences around the world. His work focuses on how leaders and organisations thrive in a world of accelerating change – through developing behaviours, processes and culture which support creativity, innovation and entrepreneurial spirit.

David is the BBC’s Science Editor, a post he has held since in 2012. He is acclaimed for his innovative reporting from the frontlines of global change. David presents clear explanations of the latest science with a vivid anecdotal style. As the BBC’s on-screen climate specialist during the Live Earth concerts, and a regular public speaker and conference chair, he’s hugely experienced and really enjoys connecting with an audience. He has the ability to guide the corporate world through the challenging environmental and scientific issues facing business today and enables them to make positive changes to the way they operate in order to enhance economic and environmental effectiveness.

Joel fuses his knowledge of improvisation and his experience with the corporate world to create presentations that make a difference. His humor and style create a positive and comfortable environment for his audience that allows them to take risks and explore their creativity.

Tessa Todd Morgan is a mindfulness expert, personal growth coach and accredited trainer in Emotional Intelligence. As the Founder and CEO of TRIESSENCE, Tessa has coached hundreds of individuals and organizations to achieve a balance of physical, mental and spiritual wellness. In 2003, Tessa began in the professional speaking industry, and was privileged to work with famous keynote speakers and celebrities such as Dr. Oz, Geena Davis, Sir Ken Robinson and Suze Orman. Today, she speaks, trains and consults professionally, coaching contributors to become leaders, and helping leaders to become steadfast, calming influencers in stressful corporate environments. In her programs, Tessa leads people to recognize the invisible barriers that exist between them and their goals, and helps them to develop strategies for achieving those goals by recognizing and neutralizing various forms of stress using personal growth, optimism and mindfulness techniques.

Chrissa Pagitsas is a strategic advisor, keynote speaker, and author. She advises senior executives and boards on the intersection of environmental, social, governance (ESG) and global business. She is the author of the book "Chief Sustainability Officers at Work" (Apress, 2022) which explores the leadership strategies of Chief Sustainability Officers and Heads of ESG at Fortune 500 companies including BlackRock, The Coca-Cola Company, Duke Energy, and Procter & Gamble.