The holder of a Swiss “Maturity” diploma in sciences from the Collège Calvin in Geneva, Mathilde began her accounting career in 2001. She had the top test grade when she earned in 2008 the Swiss federal certificate of specialist in finance and accounting in 2008.
In February 2005 she joined Pennone & Partners SA as an assistant accountant. She was subsequently promoted to accountant.
In 2009 Mathilde became a manager and an authorized signatory for the company.
Mathilde joined G & P Fiduciaire SA in September 2010.