Fissolo is the widow of Michele Ferrero, former CEO of the Ferrero Group, one of the world’s leading confectionary companies. Ferrero was the creator of Nutella spread, Kinder chocolates and Tic Tacs.
Following his death in 2015, she became the owner of the company. Her son Giovanni and her brother were co-chief executives until 2017 and 2011 respectively.
In 2016, she was the 3rd richest woman in the world. Today, she is not actively involved in the business.