Susana Arrechea works at New Sun Road, a Californian start-up incubated at the University of California at Berkeley (UCB), where she develops solar electrification and connectivity projects for rural Guatemala. She is the Project Director of the Digital Community Centres Stellar Ixq-Saq´e, funded by the US Agency for International Development-Microsoft. She holds a Bachelor of Science in chemical engineering earned at the University of San Carlos of Guatemala (USAC). She received a scholarship from Fundación Carolina, which allowed her to earn a Master of Science and a PhD degree in Nanoscience and Nanotechnology from the Universidad de Castilla-La Mancha, in Spain. She described more than 14 new organic molecules derived from porphyrins with applications in solar devices. In 2015, she was a Visiting Researcher at UCB, under the Fulbright NEXUS Program aimed at generating renewable energy. From 2016–2020, she was a Research Professor at USAC. In 2017, she won the Galardón de Guatemaltecos Ilustres award and received the TWAS Fellowships for Research and Advanced Training. In 2020, she won the OWSD-Elsevier Foundation Awards for Early-Career Women Scientists in the Developing World.