Karin Hansson, PhD, is a postdoc researcher at the Department of Computer & Systems Sciences at Stockholm University. She explores norms and values in ICT supported participatory practices from a design perspective. Karin was one of the organisers of the ACM GROUP2014 workshop “The Morphing Organization – Rethinking Groupwork Systems in the Era of Crowdwork” and the ECSCW 2015 workshop “Examining the Essence of the Crowds: Motivations, Roles and Identities”.

Michael Muller, PhD, works as a Research Staff Member in the Cognitive User Experience group of IBM Research, Cambridge MA USA. His research has involved crowds of employees in many different configurations, as well as some theory/commentary work in Value Sensitive Design and Feminism in HCI. He has co-organized workshops at various conferences, most recently the ECSCW 2015 workshop on appropriation.

Tanja Aitamurto, PhD, is Deputy Director of the Brown Institute for Media Innovation at the School of Engineering at Stanford University. She examines how collective intelligence, whether gathered by crowdsourcing, crowdfunding or co-creation, impacts journalism, governance and product design, particularly media innovations. She was one of the organizers of the ECSCW 2015 workshop “Examining the Essence of the Crowds: Motivations, Roles and Identities”.

Lilly Irani is an Assistant Professor of Communication & Science Studies at University of California, San Diego. Her work examines and intervenes in the cultural politics of high tech work. She is a co-founder and maintainer of Turkopticon and mentor on Dynamo. Her work on crowdsourcing has been covered in The Nation, The Huffington Post, and NPR.

Athanasios Mazarakis, PhD, is a postdoc for Web Science at Kiel University. He is interested in motivational barriers in the context of social media tools and the use of non-monetary incentives to enhance contributions of users. His main research activities concern evaluation and statistical analysis of social media.

Neha Gupta is a PhD student at the School of Computer Science, University of Nottingham, UK. Her research focuses on crowdworkers based in India who use Amazon Mechanical Turk as a platform to find paid work, aimed at understanding the requirements and the work of crowdwork. She was one of the organizers of the ECSCW 2015 workshop “Examining the Essence of the Crowds: Motivations, Roles and Identities”.

Thomas Ludwig is a Ph.D. student at the Institute for Information Systems at the University of Siegen, Germany. His research focuses on voluntary civil activities during emergencies. He examines how those activities can be detected as well as aligned with activities of professional emergency services.