Ms. Keyser Dion attended the Pennsylvania State University and received a BA, French, in 1969 and holds a Certificate with Honors in Botanical Art and Illustration from the New York Botanical Garden. 

Ms. Dion has worked as an illustrator since 1981. She has also worked as an art director in staff and freelance positions. She has illustrated four complete books as well as numerous assignments for commercial, corporate, editorial and architectural clients.

Ms. Dion began exhibiting and selling photographs in 1998. She has exhibited works at Silicon Gallery, Philadelphia; Philadelphia Museum of Art, Artworks Gallery, Philadelphia; Pennswood Gallery, Newtown, PA; Philadelphia Volunteer Lawyers for the Arts Juried Exhibition, Philadelphia; Fox Gallery, University of Pennsylvania, Philadelphia (one-person show); Abington Art Center Juried Exhibition, Abington, PA .

She lives and works in the Philadelphia area.