As the substitute of Roland Lescure, he replaced him while he held positions in the Borne and Attal governments.
[1] Christopher Weissberg graduated from the Université de Montréal, the College of Europe as well as Sciences Po[2] and began his professional career as chief of staff[3] to the vice-president of the Regional Council of Île-de-France from 2012 to 2014.
In 2020, he was appointed as parliamentary advisor to Jean-Baptiste Lemoyne,[4] Secretary of state then Minister delegate for tourism, the French living abroad and Francophonie.
During the 2022 French legislative election, he successfully ran as the substitute of Roland Lescure, the incumbent candidate.
[6] Following the appointment of Roland Lescure in the Borne government, he became a member of the National Assembly for the First constituency for French residents overseas[7] in August 2022 and joined the Renaissance group.