[1] She immigrated to the United States and studied under Hans Hofmann from 1946 to 1947.

She eventually founded the Gerardia Workshop, where she taught a variety of mediums.

[2] She was primarily a painter, and participated in the Abstract expressionist movement early in her career while studying under Hans Hofmann.

Gerardia used geometric shapes in much of her work and used the colors black and white primarily.

She emphasized negative space frequently in her work, which was featured prominently due to her choice use of color.