Lawyer, Executive Coordinator and co-founder of Community Resource Centre Foundation (CRC). She has worked on litigation and advocacy to promote and support communities in Thailand and Southeast Asia to access justice. CRC also works on Business and Human Rights and has taken on about 100 cases from over 20 communities. Sor works with communities which have faced violation from development projects of private companies and state agencies, involving coal power plant, biomass power plant, dam, mining (gold, lignite, coal, limestone), and land bridge. Sor has been working in the field for Human Rights and Environment as a lawyer and advocate since 2000.