Eastman with her husband Chris THOMAS moved to North Cornwall. She has taught art in secondary schools, and has been a adult education tutor in art history. She also worked for the Footsbarn Travelling Theatre Co. She is a member of the North Cornwall Seven Group and has exhibited with them around Cornwall, including their exhibition in 1998 at the Falmouth Art Gallery. She has also exhibited at Rainyday Gallery in Penzance.

Her studies in Fine Art were originally at Reading University, where she was taught by Ray ATKINS and John Wonnacott. In 2003 Eastman was employed as an art therapist by Cornwall Partnership Trust, working with adults with mental health problems.