Mrs. Neamtan is President and Executive Director of the Chantier de l’économie sociale, a non-profit organisation representing networks of social enterprises (cooperatives and non-profits), local development organisations and social movements. The mission of the Chantier de l’économie sociale is the promotion and development of collective entrepreneurship. Ms. Neamtan was the founder (1997) and President of RISQ (Réseau d’investissement social du Québec), a 15$ million investment fund dedicated to the non-profit and cooperative sector. Since November 2006, she is President of the Fiducie du Chantier de l’économie sociale, a 53$ million investment fund for collective enterprises.
Ms. Neamtan is recognised internationally as an expert on the social and solidarity economy, working in collaboration with international organisations such as the International Labour Organisation and the OCDE's Forum on social innovation. She is a member of the Board of Directions of RIPESS, the Intercontinental Network for the Promotion of Social and Solidarity Economy. In 2012, Ms Neamtan was appointed Officer of the Ordre National du Québec.