Melissa Donnelly

Melissa Donnelly is the National Secretary of the Community and Public Sector Union (CPSU), an Australian trade union with coverage of more than 150,000 Commonwealth and Territory Public Servants, as well as those in the Northern Territory Public Service and the ACT Public Service.. Donnelly is the CPSU's youngest ever national secretary, as well as the third woman and the first working mother to hold the role. Donnelly was first elevated to the role, following tenure in the union's legal and industrial relations team and its Executive Committee, when former National Secretary Nadine Flood resigned for health reasons in 2019. Donnelly was most recently reelected to the position in December 2023.

Under Donnelly's leadership of the union, its membership has grown by 8%, bucking broader trends in the Australian trade union movement of declining membership since the 1980s

Following the COVID-19 pandemic, Donnelly was responsible for championing a "groundbreaking" working-from-home deal with the Australian Public Sector Commission in 2023 which allows public sector employees to seek unlimited working from home flexibility arrangements.