Mr. Justice Ali Baig was born on 2nd of January 1966 in Ishqamdas Thoi Tehsil Yasin Tehsil District Ghizer (the Land of Martyrs). He completed his primary and middle school examination from DJ Primary School Draskin Thoi and FG High School Thous Yassin respectively. He secured his secondary education from FG High School No. 1, Gilgit in 1981. Intermediate and graduation from FG Degree College H9 Islamabad, obtained law degree (LLB) in the year 1990 and MA (Political Science) in the year 1992 from Karachi University. He was enrolled as an Advocate in 1990 and started his profession as an Advocate in Karachi. He joined the government service as Assistant Legal Advice (Gilgit Baltistan secretariat) through Federal Public Service Commission in 1992.He was assigned the duty/post of District Attorney in 1998. He performed his duties as District Attorney in District Skardu and Ghanche till 14-04-2005. He was appointed as Additional District and Sessions Judge in GB Judiciary on 15-04-2005 on the recommendation of FPSC and served as Addl District and Session Judge in various Districts of Gilgit Baltistan. He was promoted to the post of District and Sessions Judge (BPS-21) on 10.11.2011.
Mr. justice Ali Baig was elevated as Judge of the Gilgit Baltistan Chief Court being the senior most District and Sessions judge and took oath on 30-11 2017. He took oath as chief justice of Gilgit Baltistan chief court on 01-09-2021.Since then, he is performing as Chief Justice GB Chief Court Gilgit.