This book constitutes the proceedings of the Doctoral Symposium of the 15th European Software Process Improvement Conference, EuroSPI 2008, held in Dublin City University, Dublin, Ireland in September 2008. The purpose of the EuroSPI Doctoral Symposium was to provide an opportunity for graduate students to present and explore their research interests under the guidance of a panel of distinguished experts in the field and to bring together Ph.D. students within the Systems & Software Process Improvement and Innovation field to discuss their research in an international forum.