Amy Kelly was elected Vice-President for Campaigns in the most contested race.
The union voted unanimously this evening to protect and support students North and South during Brexit negotiations.
The space, which was recently refurbished, will be open to students during exam season.
Amid a heated debate in Northern Ireland about the need for an Irish Language Act, the union voted to join the campaign on the issue.
The national students' union voted today to research and design national student-focused consent workshops.
Promotions of senior academic staff will now be based on quotas driven by financial restrictions, rather than staff numbers.
Referencing the 'tens of thousands' of students that would have used services today, USI condemned Bus Éireann management for not resolving the dispute.
Unite, which represents support and administrative staff in Trinity, has said the new policy breaches the Lansdowne Road Agreement.
The discovery will lead to further understanding of the biology behind Motor Neuron Disease and how the brain works.
Students graduating before the 2019/20 academic year will not be levied.