In 2012 he received the Somiya Award from the International Union of Materials Research Society (IUMRS) for his contributions to solid state ionics. He completed several stays at different laboratories: in 2014 he joined for three month the International Institute for Carbon-Neutral Research (I²CNER, Kyushu University) thanks to a grant from the Japan Society for the Promotion of Science. In 2015 stayed at the Massachusetts Institute of Technology (USA) for a three-month period and between 2018 and 2019 he joined for a few months the Universida Técnica Federico Santamaría in Valparaíso (Chile).
Dr Santiso has authored more than 140 articles, with about 2690 citations and an h-index of 28.