Dr. Inaya Ezzeddine is a member of the Lebanese Parliament since 2018. She chairs the Women and Children Parliamentary Committee and the SDG2030 Agenda Parliamentary Commission and is a member of the Environment, Public Health, Labour and Social Affairs Committees. 

For 2016-2018, Dr. Ezzeddine served as the Minister of State for Administrative Reform in the cabinet of Mr. Saad Hariri and was the only women minister in a cabinet of thirty.

Dr. Ezzeddine is a member of several international parliamentarian networks including the Executive Board of the Regional Parliamentary Forum for Health and Well-Being in the Eastern Mediterranean Region, a collaborative effort with the WHO to support policy making approaches towards universal health coverage. 

Since 2018, she has also been a member of the Brussels-based Women Political Leaders (WPL), a global network of female parliamentarians with a mission to empower women in political leadership.