Thomas Rapp, PhD, is a professor of economics at Université Paris Cité, specialized in health economics, ageing economics, and health policy analysis. He is the director of the AgingUP! Excellency Chaire at Fondation Université Paris Cité. He is a former Harkness fellow in health policy and practice at Harvard (2015-2016) and health economist at the OECD (2017-2019). His research is published in leading peer-reviewed scientific journals (Health Economics, Medical Care, Social Science and Medicine, JAMA open, etc.), book chapters etc. Since 2016, he has been associate editor of the Value in Health Journal. In 2015, he created (and led until 2018) a masters’ degree in health economics at Sorbonne University in Abu Dhabi. For the past 10 years, he has been participating in several research grants (sponsored by the French Agence Nationale de la Recherche, the Commonwealth Fund of New York, the European Commission’s Innovative Medicines Initiative program, AXA mécénat etc.) as principal investigator, co-PI, or work package leader. He has been an invited professor at Harvard, Columbia, and Università Cattolica del Sacro Cuore di Roma.