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.

Drew Shindell is Nicholas Professor of Earth Science at Duke University following two decades at NASA. His research group studies the impacts on human health, agricultural yields, climate and the economy of policies to mitigate climate change or improve air quality. He is a member of the US National Academy of Sciences and serves on the Science Advisory Board of the US EPA.

Dr Andrea Hinwood is the Chief Scientist of the United Nations Environment Programme. She is an environmental scientist with expertise in environmental exposures and impacts on human health. Dr Hinwood was the first Chief Environmental Scientist of EPA Victoria and has held both academic and government posts providing advice on environmental issues to state, national, and international organizations.

Ilse Aben is an expert on measuring greenhouse gases from space. She is one of the initiators and Co-Principal Investigator of the TROPOMI satellite instrument. Her group has a strong focus on using satellites to detect methane super-emitters in support of reducing emissions.

Jonathan has worked with CATF since 1999 and serves as Global Director of the Methane Pollution Prevention program, where he develops and directs all of CATF’s international efforts to dramatically reduce methane pollution from energy, waste, and agriculture. Jonathan brings over two decades of experience working with governments, companies, and civil society around the world to foster and implement policies to reduce methane pollution. Jonathan works to catalyze international coalitions, country level policies and subnational efforts, to foster rapid change. He also serves on the board of the Climate and Clean Air Coalition.

Martina has over 25 years of experience in Environmental Policy and Programme Management, with a particular focus on energy, buildings, transport and sustainable cities, as well as partnership building. At the UN Environment Programme, she has served in different functions out of Paris and Nairobi, including in the Executive Office, heading UNEP’s work Transport, Bioenergy, Energy Policy, UNEP's work on on Cities and the Secretariat of the Global Alliance for Buildings and Construction, and now heading the Secretariat of the Climate and Clean Air Coalition.

Brian T. Carroll is Assistant Secretary General (Climate Action & Environment) at the Department of Communications, Climate Action & Environment of Ireland.

His work at EDF focuses on supporting farmer-centered approaches to rapidly and meaningfully reduce agriculture methane. His background includes experience working on agricultural and environmental policy, developing diagnostic tests to support improved herd management, being an entrepreneur in both the clean tech and life science spaces and active engagement on his family's livestock farm. His formal training includes both and BS in Animal Science and an MBA in Sustainability from Cornell University.