Today state of the art scientific research strongly depends on open source libraries. The demographic of the contributors to these libraries is predominantly white and male [1][2][3][4]. In recent years there have been a number of various recommendations and initiatives to increase the participation in open source projects of groups who are underrepresented in this domain [1][3][5][6]. While these efforts are valuable and much needed, contributor diversity remains a challenge in open source communities [2][3][7]. This talk highlights the underlying problems and explores how we can overcome them.