Nathalie has been part of IofC teams promoting dialogue and trust between people of different cultures and generations in French- speaking Africa and northern African Arab countries.

In France, with Tunisian colleagues, she developed the programme Initiative Dialogue. In the decade following September 11th, 2001, she was involved in a French programme, Education à la Paix and in 2017 she became a facilitator on a programme called Oui Act. Nathalie has been on the Board of Trustees for IofC UK since 2015.