Jennifer is TD for Dún Laoghaire and Minister of Health.
She was elected as a TD for the Dún Laoghaire constituency in the 2020 General Election, having been a Councillor for Killiney Shankill prior to the election. She served on a number of Oireachtas Committees including the Autism Committee, the Public Accounts Committee, the Justice Committee and the Committee on the Implementation of the Good Friday Agreement. She was also a member of the British-Irish Parliamentary Assembly.