Sangay Dema completed her class X from Tashitse Higher Secondary School, Wamrong, Tashigang. From 2005 to 2007, she underwent training to become an electrical technician from the Vocational Training Institute in Electrical course at Rangjung, Trashigang. After completion, her first job was as a technician at a private firm. She joined the Royal Heritage Museum as a technician in 2009. She has 12 years working experience as technician in the Museum as well as has the knowledge on Museum Management. She is interested in learning new technical skill in electrical field.