Himex is a Mount Everest guiding company. It was founded in 1996 by New Zealander Russell Brice. The name is a truncated version of the full name "Himalayan Experience". National Geographic said Himex was the "largest and most sophisticated guiding operation on Everest" in a 2013 article. Himex's team is known for fixing lines on Mount Everest, although in 2012 other teams did this work.

Phurba Tashi Sherpa Mendewa is a Nepalese Sherpa mountaineer known for his numerous ascents of major Himalayan peaks. These include 21 ascents of Mount Everest, five on Cho Oyu, two on Manaslu, and one each on Shishapangma and Lhotse.