Atias participated in the Artists for Peace and Justice (APJ) volunteer mission with Sean Penn following the 2010 Haiti earthquake, in which she assisted the evacuation of refugees to Florida. During her second trip to Haiti, she took part in a workshop at Ciné Institute in Jacmel. In May 2010, she worked with APJ and hosted and organized a charity event at the Cannes Film Festival. In November 2010, she hosted and organized a charity event for APJ in New York, with proceeds going to the first free high school for the children of the slums of Haiti.