Alain Retière is CTO and co-founder of Everimpact, a GHG monitoring company that uses satellites, ground sensors, AI and machine learning to deliver more accurate carbon emissions data to public bodies, municipalities, and businesses.Retière has rich experience in sustainable development, climate change, as well as satellite technology.  He was previously an agro-economist and senior scientific advisor at sustainable development organizations, public bodies, and international organisations, with three decades of field experience across 120 countries.  In the course of his career, Retière spent a total of 13 years as director of two satellite-related agencies under the UN.  This included three years managing CLIMSAT, a specialized center under the UNDP helping local government bodies assess the impact of climate change by using satellite and geo-spatial data, as well as 10 years at the helm of UNOSAT, the UN emergency satellite service. For his service at UNOSAT, he received the UN21 Award from UN Secretary-General Kofi Annan in 2005.Retière graduated from Groupe Ecole supérieure d'Agriculture d'Angers and holds a postgraduate degree from Université Pierre et Marie Curie, which is now part of Sorbonne University.