Janvier studied in the French city of Tours before joining a literary preparatory class at the Jules Ferry highschool then SciencesPo Paris on the Dijon campus.
Professional career
After her graduation at SciencesPo, Janvier worked for one year and a half in Kenya for the French Ministry of Economics and Finance, to establish relationships between French insurance companies and Eastern African banks. After that, she settled in the Loiret department to work in social affairs. For six years, Janvier worked at the Aidaphi association as technical adviser, where she negotiated financial resources with the relevant public authorities, manages the association's law monitoring and follows the various establishments and services of the association. She also worked as independent consultant for various consulting firms in the medical and social sector.
Member of Parliament
Janvier joined En Marche ! from its beginning in April 2016 and became its candidate for the 2017 French legislative elections to replace the party's departmental point of contact Emmanuel Constantin when he was found ineligible due to his professional activity. On 18 June 2017, Janvier was elected Member of the National Assembly for the Loiret's second constituency, winning by 51,23% on the election's second round, facing the former Les Républicains MP Serge Grouard. In Parliament, Janvier is a member of the Committee on Social Affairs as well as of the Committee on European Affairs. In addition to her committee assignments, she chair the French-Russian Parliamentary Friendship Group and is a member of the French delegation to the Interparliamentary Union. She serves as Vice-President of the information mission on the revision of bioethics laws before joining the special commission on the 2019 law on bioethics. As a specialist in disability and inclusion, Janvier is the author of an amendment in the PACTE law on the French economy. The amendment's aim is to create a "Handicap" label for the companies most involved in including disabled workers in their human resources and to increase employment's accessibility for disabled citizens. In July 2019, Janvier published an information report on the European Union's plastics strategy, together with the Les Républicains MP Bernard Deflesselles. Since the end of 2019, she is working as a rapporteur on another European Affairs' information report focusing on the European Neighbourhood Policy, together with the Socialist MP Joaquim Pueyo. On 14 January 2020, Janvier became her parliamentary group's rapporteur on recreational cannabis in the National Assembly's common information mission on the regulation and impact of the different uses of cannabis.