ReseShe has been Principle Investigator of numerous research projects, focusing on elementary particle phenomenology and cosmology, and experimental high energy physics; and a member of multiple international collaboration projects, including the ATLAS, DUNE and NEXT Experiments.

In addition to her research, Marta is passionate about higher education and research policy and has held numerous positions in the field. She served as Commissioner of The CONACES Engineering, Architecture, Mathematics, and Physical Sciences section of the Colombian Ministry of Education and Research Policy from 2006 to 2009, and was also PI for the UAN node of the European funded networks HELEN, Invisibles, Invisibles Plus and Elusives. She is a member of the Scientific Committee of the Latin American Symposium of High Energy Physics and the CERN-Latin America School of High Energy Physics. She was recently named Chair of the Preparatory Group of the Latin American Strategy for HECAP.

In addition, Marta is a member of the steering committee for the first UNICA-IAU Masterclass on Internationalization, a member of the review group for the Magna Charta Universitatum 2018-2020, a member of the Global Attainment and Inclusion Network. Marta serves as well as International Councilor for the American Physical Society and a Board Member of the International Association of Universities; she has been a scientific consultant for the Abdus Salam International Centre for Theoretical Physics. She was recently elected to the Colombian Academy of Sciences.