Mercedes Noel "Tety" Sahores Rosauer (born September 24, 1974) is an Argentine ski mountaineer and mountain climber. She became the first Argentine woman to reach the summit of Mount Everest on May 19, 2009.
Sahores, daughter of Luis MarÃÂa Sahores Gattari and his wife Marta Irene Rosauer, was born in the Neuquén Province as the youngest of four children. Her oldest brother Luis MarÃÂa ("Minino") died from Leukemia at the age of 20 years.
Sahores attended the Colegio San MartÃÂn and afterwards the Instituto MarÃÂa Auxiliadora in San Pedro Sula, Honduras, until 1993. Afterwards she studied biology at CAECE University in Buenos Aires until 2000. She is member of the National Agricultural Technology Institute (INTA), lives in San Carlos de Bariloche.