Tirza holds a Master’s degree in International Relations from the University of Indonesia, with a concentration in Transnational Society, focusing on Human Rights, Gender, and Environmental Studies. She has a strong interest in youth empowerment and gender issues, which has guided much of her professional and volunteer work. 

She began her career as an intern at Amnesty International Indonesia and went on to spend two and a half years at Oxfam in Indonesia, where she worked on a project focused on preventing child marriage. 

In addition to her professional roles, she has been actively involved for the past eight years with a volunteer-based, youth-led organization. Through this platform, she has managed projects related to child marriage prevention, environmental education, and the promotion of freedom of peaceful assembly (FOPA).