She is the youngest daughter of attorney Michel Max Amaudruz (1939-2022)[8] and his wife Dominique (née Guiramand).

Her father was an attorney, member of the Grand Council of Geneva[11] for the Swiss People's Party and controlling majority owner of Groupe Minoteries,[12][13] a flour mill concern, which is based in Valbroye, Switzerland.

[15] Initially, she spent six years for her parents Law firm, both practicing lawyers.

[16] She worked for the law firm Poncet Turrettini Amaudruz Neyroud & Associes in Geneva during her studies, in which her father was a partner.

[21] They reside in Vandoevres, where Andersen serves on the municipal council for the Swiss People's Party.