In an August 2023 Cabinet reshuffle, Boric re-appointed Williams as Minister of Mining, where she would replace Marcela Hernando.

[2] During Michelle Bachelet's first term as President [es] from 2006 to 2010, Williams served as a regional ministerial secretary of public works in Antofagasta.

[4] In March 2014, Williams became Minister of Mining, making her the second woman to hold the post since Karen Poniachik.

[7] She was also responsible for the closure of the controversial Chilean-Argentine Pascua Lama and the Dominga projects,[8][9][10] and for the rescue of two miners following a flood in a mine in Chile Chico.

[11] Boric re-appointed Williams as Minister of Mining in August 2023, where she would replace Marcela Hernando.