Baig comes from Shimshal village in Hunza Gojal, Gilgit–Baltistan, Pakistan, and was trained in mountaineering from the age of 15 by her brother, Mirza Ali. She is a student of Arts and began climbing when she was merely four years old. Besides the Himalayas, Baig has been employed as a mountain guide and expedition leader in the Hindu Kush and the peaks of Karakoram. Baig has been a professional climber since 2009.