He began his artistic education with his uncle, Joaquim Mir, later moving to Barcelona where his fellow students included Joaquín Torres García, Isidre Nonell,[1] and Joaquin Mir Trinxet.
In 1896 he moved to Paris, where he became acquainted with the neo-impressionist movement and worked extensively in the style.
[1] He was friends with Picasso, and in the first years of the 20th century the two artists' work were similar in style and subject.
[1] In 1908, Sunyer turned away from Parisian subject matter in favor of the themes that would occupy him for the rest of his life, especially nudes in pastoral landscapes, family scenes, women, and children.
His compositions are noted as an example of balance, though sacrificing technical perfection for the benefit of a more intense evocative power.