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Jon A. Holtzman is a leading figure in astrophysical instrumentation and stellar astrophysics, with a career defined by his deep involvement in major spectroscopic surveys. His research spans the dynamics of binary star systems and the engineering of cutting-edge observational facilities. Holtzman is perhaps best known for his instrumental role in the Sloan Digital Sky Survey V (SDSS-V), where he has been central to pioneering its "panoptic spectroscopy"—the first all-sky, multi-epoch, optical-to-infrared survey. His work on the SDSS-V robotic focal plane system and the retermination of APOGEE spectrograph fiber connectors has been critical to the survey’s technical success, enabling the mapping of millions of objects to decode the Milky Way’s history and track supermassive black holes. Earlier, his study of period changes in Algol-type binaries (60 citations) provided compelling evidence for third-body perturbations in these systems. Holtzman also led the development of the NMSU 1-meter telescope at Apache Point Observatory, a facility that has become a workhorse for robotic time-domain astronomy. With over 130 citations across his most influential papers, Holtzman’s contributions bridge fundamental stellar physics and the large-scale infrastructure that powers modern astronomy.