Works in that exhibition included almost all the well-known “first-generation” of Zimbabwean sculptors, for example Joram Mariga, Henry Munyaradzi and Bernard Takawira. In this context, Colleen is usually described as being of the “second generation” but the terms are imprecise, as discussed by Celia Winter-Irving. In 2004, Colleen and Fabian Madamobe's sculpture was included in an exhibition at the Botanical Garden in Berlin.
The exhibition showcased most of Zimbabwean sculptors from the “first generation,” including Joram Mariga, Henry Munyaradzi, and Bernard Takawira. In this context, Colleen is frequently identified as part of the “second generation,” although these terms are imprecise, as discussed by Celia Winter-Irving. In 2004, Colleen and Fabian Madamobe's sculpture was included in an exhibition at the Botanical Garden in Berlin.