Previously with the Times Newspaper London, the U.N. Environment, and the U.N. Framework Convention on Climate Change, Nick was the Director of Communications and Spokesperson for the Paris Agreement of 2015. More recently, he has served as the Director of Communications for the Global Climate Action Summit that took place in San Francisco in September 2018.

Cassie Flynn is the Global Director of Climate Change at UNDP. The portfolio supports over 150 countries to take bold climate action. She previously served as the Strategic Advisor on climate change to UNDP’s Administrator and Senior Advisor to the Prime Minister of Fiji as COP23 President. Cassie is an internationally recognized expert on the treaty negotiations on climate change and has been a featured expert by CNN, BBC, Wall Street Journal, Le Monde, New York Times, and other publications. Cassie earned her master's degree from Yale University and undergraduate degrees from Bowdoin College.

Sacha is CEO and Member of the Board of Directors of the Swiss climate neutral, green IT manufacturer Prime Computer. As a trusted Advisory Board Member he provides Start-Ups with knowledge, understanding, and strategic thinking of the industry or management of specific cases. Envisioning to motivate people to think and act in a more sustainable way towards our home, Earth, Sacha contributes in his role as Board Member of the European Technology Chamber & the Climate Action Commission, his valuable know-how to foster awareness and support the use of European technology to reach the sustainability goals (SDGs) of the UN around the world and reduce emissions that contribute to Climate Change.

As a Senior Fellow with Ocean Conservancy's Climate and Plastics Initiative, Aarthi Ananthanarayanan designs and promotes solutions that address two existential, interconnected threats to the ocean and coastal communities: climate change and plastic pollution. She is an expert on the climate, community, and ocean impacts of the petrochemical industry and opportunities for decarbonization. She leads Ocean Conservancy’s advocacy, influencing public and corporate policies that create incentives for plastic production, such as fossil fuel subsidy reform, financial disclosures, and corporate climate commitments. Aarthi has deep experience in developing strategies, building teams and advocating for interdisciplinary solutions to complex environmental problems. Prior to joining Ocean Conservancy, she was a Senior Associate with California Environmental Associates. In that role, she worked with top environmental organizations and philanthropic organizations to develop new climate, energy, land and water protection, and biodiversity conservation initiatives led consulting engagements to conduct foundational analysis and develop client business plans, and co-founded a recruiting practice to attract environmental professionals in the U.S., India, China, and Europe. Aarthi began her career working for the Chemical Strategies Partnership, a trade organization working to reduce chemical use, waste, risks, and cost by transforming the chemical supply chain.

Josie leads the regenerative design practice at the RSA, working with policy makers, businesses, and civil society organizations to explore how design can shape regenerative futures, where people and the planet thrive together for the long term. Originally trained as a textile designer, she is particularly interested in the role that textiles and fashion play in the economy and their potential to be sources of new economic thinking and practice. Recent RSA projects have supported circular economy start-ups to increase their collective impact on the fashion industry; explored how a more place-based approach to fashion could disrupt the global system, and highlighted the significant impact of fossil-fuel-derived synthetics on the shape of the fashion industry and on climate change.