Fiona graduated from the University of Malta as a Bachelor of Commerce and as a B.A. (Hons.) Accountancy in 2003. She holds a warrant to exercise the accountancy profession in Malta and has a practicing certificate in Auditing. She is a member of the Malta Institute of Accountants.
In 2002, she joined HLB Falzon & Falzon in the audit department until 2016 being a firm which formed part of the HLB International network worldwide. The same audit firm was then incorporated into a newly merged partnership CA Falzon and today into HLB CA Falzon and HLB Malta Limited.
At HLB CA Falzon, Fiona is engaged in the assurance division of the firm.