[1] Winkelman was introduced to painting at San Francisco's Hospitality House, a free community arts center.

[2] Her work is characterized by vivid colors, fantastic figures, and strong political commentary.

Her style has been compared to that of Hieronymous Bosch, Marc Chagall, and Edvard Munch.

In 1993, after her work had gained some attention at group shows and on the cover of the Street Sheet, she was commissioned to produce an Absolut Vodka ad.

[6] In February 2009, she was the San Francisco Bay Guardian "Local Artist of the Week".