[4] She graduated with a law degree from Queen's University Belfast but decided not to pursue a legal career.
Guy did a postgraduate course in marketing and secured a work placement with Newry-based financial technology company First Derivatives.
At the 2024 general election, she contested the Strangford constituency, where she finished second against Jim Shannon of the Democratic Unionist Party (DUP), receiving 10,428 votes (26.8%).
[8] Guy's first attendance to the chamber was in supporting the Opposition to Racism motion following 'far-right' rioting in Belfast in August 2024.
She welcomed the guidance on mobile phone use but criticised the expenditure amid financial constraints in the education sector, stating, "I find it difficult to believe this is the most appropriate use of the department's limited budget.