David Siegel, Martha Marzolf and Andrea Barker have been appointed to the board of directors of COPPeR, the Cultural Office of the Pikes Peak Region. Siegel is executive director of the Bee Vradenburg Foundation and a member of the band Mango fan Django. Marzolf, a Realtor, was chair of the Colorado Springs Fine Arts Center board. Barker is a partner at HB&A Architecture & Planning, where she focuses on business development.