G-24 Working Paper: Tax certainty options in the context of BEPS 2.0 Natalia Quiñones * | March 2022 * Natalia Quiñones is the former Head of the International Tax Office at DIAN in Colombia, and a former member of the Steering Group at the Inclusive Framework. She teaches at Universidad de los Andes, has published several articles on dispute resolution and has over 15 years of experience in private practice in Colombia.