Sonam Wangchuk is a Ladakhi mechanical engineer, education reformer, and climate activist, known for inventing artificial glaciers (Ice Stupas) to combat water scarcity in Ladakh. He previously worked in Union HRD Ministry and supported Ladakh's UT status in 2019, but later demanded statehood and Sixth Schedule protections for Ladakh. He was arrested for 'inciting' violence during a hunger strike.