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About

Pierre-Henri Carton is a leading experimental cosmologist whose work is central to the next generation of dark energy research. His primary contributions lie in the design and development of massive spectroscopic instruments, most notably the Dark Energy Spectroscopic Instrument (DESI). As a key figure in the DESI collaboration, Carton helped engineer the robotically-actuated fiber system that enables the instrument to simultaneously capture spectra from 5,000 galaxies, a breakthrough that allows for unprecedented mapping of the universe's large-scale structure. His foundational paper on DESI's instrument design has garnered over 230 citations, underscoring its importance to the field. Earlier, Carton was instrumental in the BigBOSS experiment, a precursor to DESI that laid the groundwork for studying baryon acoustic oscillations and redshift-space distortions. With over 300 combined citations for his most influential works, Carton's engineering and scientific leadership are driving the most ambitious ground-based effort to understand dark energy, making him a pivotal figure in modern observational cosmology.