[1][2] When Pérez was four years old her father took her to a 14,000-foot volcano near their home at Quito, Ecuador, which inspired her to become a mountain climber.
[1] In 2014, Pérez completed a solo ascent of Cho Oyu without supplemental oxygen.
[3] In 2015, Pérez reached the summit of Broad Peak without supplemental oxygen.
[1] Pérez has spent time on Mount Everest as both a mountain guide and a climber.
[3] Alison Hargreaves being the first, in 1995 who climbed unsupported and without supplemental oxygen but tragically died in a storm during descent.