International Conference on Information Systems and Technologies "ICIST'2015" (Istanbul, Turkey) is a forum for researchers, developers and industrials in the information systems field and the continuance of the following event: ICIST'11 (Tebessa, Algeria), ICIST'12 (Sousse, Tunisia), ICIST'13 (Tangier, Morocco) and ICIST'14 (Valancia, Spain). It reports progress and development of methodologies, technologies, planning and implementation, tools and standards in information systems. The conference looks also at socio-economic aspects, impacts and success factors of information systems. ICIST'2015 aims at addressing issues related to the design, development and use of information systems in organizations from a multidisciplinary perspective, and to discuss, the research, teaching and professional practice in the field. ICIST 2015 brings together leading academics and professionals in information systems from around the world. It aims at providing a platform for discussions on issues that take into consideration the social and technological aspects of information systems. The conference program includes paper presentation, keynote talks from prominent academics, Posters and Panels.