Doherty was first elected to the Dáil in 2010. He is the Sinn Féin spokesperson on finance, public expenditure and reform. He is a founding member of Ógra Shinn Féin. He served as the party's first Senator in 2007. He is a member of the Oirechtas Joint Committee on Finance and Public Expenditure.

I am asking people to vote for change. The establishment parties of Fianna Fáil and Fine Gael have had it their own way since the foundation of the State. As a Donegal and a Sinn Féin TD, I will stand up for the ordinary people to give families and workers a break.

My number one priority is in the area of healthcare and making sure that people in the North-West have access to a fully functioning hospital in Letterkenny and community hospitals, which have beds that are open and nurses and doctors to staff those beds.

We in Sinn Féin have committed to giving people their pension at age 65 and have drafted legislation that is ready to go. I will be pushing this in the first 100 days.