Ten years in the legal department of international telecommunications groups, and fifteen years at the bar as a business lawyer, specializing in international contractual negotiations (particularly in information technology), have allowed Nathalie Simonnet to acquire solid experience in conflict prevention and management.

Since 2008, Nathalie Simonnet has been an experienced conventional and judicial mediator with hundreds of mediations in the following areas: national and international commercial mediations, labor disputes, shareholder disputes, commercial leases, crisis prevention and management in companies, group mediations in organizations and national and international family mediations, particularly in the field of inheritances.

She is also a certified NVC trainer from the CNVC (Center for Nonviolent Communication) and began training in NVC mediation in 2011 at the Ecole des Médiateurs CNV*. Her experience as educational director of this school led her to found her own training organization in 2018: Emergence, a NVC Mediator Training Institute, recognized in the profession as the national reference in mediation with the Nonviolent Communication process.

In addition to the complete professional training course to "Become a mediator" provided within Emergence, it works to disseminate Nonviolent Communication in the service of mediation and the mediator position in France and abroad: (Ifomène as part of the DU 2 of mediator the IAE of the Jean Moulin Lyon 3 University, the IHEMN (Institute of Advanced Studies in Mediation and Negotiation) in Aix en Provence, the law schools - Edara, Aix, Nîmes, Poitiers, Grenoble, Chambéry, Perpignan, Lorient, Rennes, Nantes… – The University of Savoie in Chambéry, the University of Peace in Rwanda, the IAMN (African Institute of Mediation and Negotiation) in Benin…), DU Health of the Sorbonne University of Medicine.

She also works in organizations to train teams in Nonviolent Communication, negotiation and mediation, particularly in large groups (Pôle Emploi (CEO and management team), CFDP, BNP Paribas, Total Energies, Hermès (CODIR), Arpilabe, YFU, ADSSID, etc. She supervises experienced active mediators.