[5][6] Her work has been included in exhibitions at Corcoran Gallery, Washington, D.C. in the “Painting Outside Painting: 44th Biennial Exhibition of Contemporary American Painting;” Nantes Museum, Nantes, France; San Francisco Art Institute; Kansas City Art Institute; Rosamund Felsen Gallery, Santa Monica; Christopher Grimes Gallery, Santa Monica; Contemporary Arts Center, Cincinnati; and The Suburban, Chicago as well as various European galleries in The Netherlands, Denmark and the Czech Republic.
[5][8] Recently (2020), her work, Blood and Bones, was shown at Pasadena City College in Boone Family Art Gallery.
[7][11] Den Hartog received her BA in Fine Art at Linfeld College in 1984 and her MFA in sculpture at Claremont Graduate School in 1986.
[7][11][12] She then studied at the Centro Cultural Costarricesne Norteamericano in San Jose, Costa Rica.
[citation needed] Den Hartog is married to artist Patrick Nickell, and they have a son together.