Dr. Cristian Vallejo graduated at the Escuela Politécnica Nacional, Quito, and obtained a PhD from ETH-Zürich, Switzerland, studying the Geodynamics of the Western Andes of Ecuador and its relationship with the collision of the Caribbean Plateau. After his PhD he worked as a Research Fellow on the Stratigraphic Development of Slope Systems Consortium Research Project at the University of Aberdeen, United Kingdom. Since 2009 he has been working as a consultant on tectonics, sedimentology and mineral exploration in South and Central America. Cristian is also lecturer at the Escuela Politécnica Nacional, Quito.