Marie-Claire Graf is an environmental justice activist, former Swiss climate negotiator, and co-founder of the Youth Negotiators Academy (YNA). It’s her aspiration to enable intergenerational leadership by supporting young people to be meaningfully, impactfully, and effectively engaged in decision-making processes to create a momentum for change. She was initiating and is leading several associations and movements on the intersections of climate action, youth and women empowerment, food systems transformation, and education such as Sustainability Week International or Youth Constituency YOUNGO of UN Climate Change.