Anna Basman is a two-term Member of the Parliament in the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM) who served from 2019 to 2024. Concurrently, she was also the Bangsamoro Attorney General and, prior to this, the Assistant Cabinet Secretary of the Bangsamoro Government. In Parliament, she was Deputy Floor Leader and the Chair of the Committee on Accounts, in charge of the budget and all matters related to the running of the Parliament.

Before joining the Parliament, she served as Deputy Executive Director of the National Commission on Muslim Filipinos, the government agency tasked to serve the particular needs of the minority Muslims of the Philippines. She also headed the legal team of the negotiating panel representing the Philippine Government during the critical parts of the peace process with the revolutionary group, the Moro Islamic Liberation Front (MILF), which ultimately led to the signing of the peace pact. She later became a member of the peace panel representing the MILF. She continues to serve as an independent advisor and consultant on matters covering Bangsamoro governance and the peace process, women, peace, and security, and Islamic finance.