He has been a Labor Party member of the Victorian Legislative Assembly since 2022, representing the seat of Preston.
Before entering politics, Lambert studied computer science and creative arts at the University of Melbourne.
He also served as a non-executive director at a Labor-aligned think tank, the Chifley Research Centre, as well as a brief tenure as an associate for McKinsey.
From 2019 to 2022, Lambert served as both an assistant and executive director for the Department of Jobs, Precincts and Regions in the Victorian Government.
[1] Lambert challenged incumbent MP Robin Scott for the Australian Labor Party candidacy for the district of Preston.