She worked with directors Stanley Kramer, Hal Ashby and Sam Peckinpah.

Healy is a founder of the Visual Effects Society.

[1] She then joined George Lucas's Industrial Light & Magic.

Healy is one of the producers of the Despicable Me franchise as well as other Illumination films including Sing (2016) and The Secret Life of Pets (2016).

Beside that, she also produced Shark Tale (2004) for DreamWorks Animation.