Current position: “Científico Titular de OPI” researcher at the IAC. Field of Research: Brown dwarfs and extrasolar planets. Areas of interest: - The substellar mass function in young open clusters and association - Isolated planetary mass objects - Low-mass stars and brown dwarfs in star forming regions - Ultra-cool dwarfs in the solar vicinity - Planetary mass companions of young nearby stars - Extrasolar planets around M and young stars Research: - 236 articles published in international journals with referee, since 1998, with more than 9766 citations. - Four “sexenios de investigación” recognized (1997-2002, 2003-2008, 2009-2014, and 2015-2020) in 2021. - Hich factor of 53. - 27 articles have accumulated more than 100 citations. - Two of these articles are among the 10 most cited papers of the field at the year of publication - More than 100 works presented in scientific conferences, including 8 invited talks and 3 review talks. LOC and SOC member in 7 international conferences. - Supervision of Ph D thesis: “Formación, evolución y multiplicidad de las enanas marrones y exoplanetas gigantes” by J. A. Caballero (2006), “Población y función inicial de masa planetaria en regiones jóvenes de formación estelar” by K. Y. Peña Ramírez (2012), “Búsqueda y caracterización de enanas marrones y planetas alrededor de estrellas” by Bartosz Gauza (2016), “Search for super-Jupiters around nearby stars” by Patricia Chinchilla (2021), “Radial velocity search for exoplanets around stars in clusters” by Carlos Cardona (2022), and "Exoplanets in young clusters and moving groups" by Manuel Mallorquín (2025). Supervision of 10 master or equivalent thesis. - Instrumentation: PI of GTC-LGS system and GRANCAIN instrument (~4 M€), member of CARMENES Science Coordinating Team, CARMENES Photometry WP leader, CARMENES Local Project Manager, member of CanariCam, HARMONI, VHS, and NAHUAL Science Team. - Committees: OPTICON, ESO, and CAT TACs, IAC Severo Ochoa - Referee of ApJ, A&A, MNRAS, Astron. Nat., AN, JATIS refereed journals, and FONCYT, FONDECYT, CONACYT, National Swiss Science Foundation, and ERC projects - Teaching activities: "Exoplanetas y Exobiología" (2015-2024) in Master's degree of Astrophysics ULL, Tecnicas II (2002) in Bachelor's degree of Physics. - Outreach: Regular talks in schools, high-schools and general public.