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About

Marc Manera is a key figure in modern observational cosmology, specializing in large-scale structure, baryon acoustic oscillations (BAOs), and the technical challenges of massive spectroscopic surveys. As a core member of the Dark Energy Spectroscopic Instrument (DESI) collaboration, Manera has made critical contributions to both the instrument’s hardware and its scientific output. His 2024 overview of the DESI fiber system—a revolutionary 5,000-robot-fiber array—has already garnered 57 citations, underscoring its importance as a foundational reference. Manera led the first detection of the BAO signal from early DESI data (2023, 37 citations), a landmark result that demonstrated the instrument’s power to probe dark energy. He also pioneered methods to correct for fiber assignment biases in clustering measurements, producing alternate realizations that ensure unbiased cosmological constraints—work that has accumulated 35 citations across two papers. Additionally, his astrometric calibration of the DESI focal plane (2023) ensures the precision needed for the survey’s ambitious goal of mapping 40 million galaxies and quasars. Manera’s blend of instrumental expertise and cutting-edge analysis makes him a leading voice in the quest to understand cosmic acceleration.