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About

Gustavo Yepes is a leading figure in astrophysical instrumentation and computational cosmology, whose work has been pivotal in enabling next-generation massive spectroscopic surveys. His research focuses on developing cutting-edge fiber optic positioning technology for telescopes, most notably through the design of an 8-mm diameter fibre robot positioner. This innovation, detailed in his highly cited 2015 paper (19 citations), allows for the rapid, precise placement of thousands of optical fibers on a telescope’s focal plane—a critical requirement for surveys probing the formation of the Milky Way and the nature of dark energy. Beyond instrumentation, Yepes has made profound contributions to cosmological simulations, particularly through the development of large-volume N-body simulations that model the evolution of dark matter halos and galaxy clusters. His work has been instrumental in interpreting data from major surveys like the Dark Energy Survey (DES) and the Sloan Digital Sky Survey (SDSS), with his simulation outputs serving as essential theoretical benchmarks. With a career spanning over two decades, Yepes has co-authored hundreds of papers amassing tens of thousands of citations, cementing his reputation as a key architect of the tools and models driving modern observational cosmology.