Nestor’s career as an actor began in 1994, under prominent directors such as Alfredo Castro, Alexander Stilmark, Cristián Marambio, Víctor Carrasco, Marcos Guzmán, Rodrigo Bazaes and Heidrun Maria Breier, among many others. In 1996, he premiered La música, by Marguerite Duras, beginning his career as a director after acting in plays such as Sueño con un revólver and El amor es un franco tirador, by Lola Arias; Alias Gospodin, by Philipp Löhle, Rehabilitarte, by Pablo Aguirre, and Laboratorio de acción teatral, a project that won a Fondart research award in 2005. In 2019, he directed Heiner Müller's The Horatio, which has been staged intermittently due to the social outbreaks and the pandemic in Chile. In 2010 he was director of the Muestra de Dramaturgia Nacional. In cinema, he stands out for feature films such as Andrés Wood's Historias de fútbol, Raúl Ruiz's Cofralandes, Pablo Larrain's No, and Sebastián Lelio's La sagrada familia and Una mujer fantástica, among others. In television he has worked for TVN, Canal 13, Chilevisión and HBO Latin America. He has been recognized with the Apes, Altazor and Caleuche awards for his work in series and teleseries.