Gloria Suzanne Koenigsberger Horowitz is a Mexican astrophysicist and professor working at the National Autonomous University of Mexico (UNAM).

She was director of UNAM's Instituto de Astronomía (1990-1998) and a leading member of the team that succeeded in establishing the first connection to the Internet in Mexico in 1989.

[4] She obtained a licentiate in Physics at the UNAM School of Sciences, graduating in 1978, and a doctorate in Astronomy at Pennsylvania State University in 1983, under the direction of Lawrence H.

[2] She served as Director of the Instituto de Astronomía of UNAM from December 4, 1990, until early December 1998, during which time the Institute initiated collaborative programs with several US observatories aimed at improving the San Pedro Mártir (SPM) National Observatory infrastructure and promoting the construction of a large new technology infrared-optimized telescope on that site.

[7] Her research is devoted to the study of the structure and evolutionary processes in massive stars, particularly the effects caused by interactions in binary systems.