Executive Committee


Natasa Milic-Frayling
Natasa Milic-Frayling is Professor and Chair¬†of Data Science at the University of Nottingham’s School of Computer Science since 2015. Prior to that, she was a Principal Researcher at Microsoft Research, UK and a Visiting Professor at Queen Mary University of London and University College London. Natasa¬†leads research in designing, prototyping and evaluating information management and communication systems. During her tenure at MSR, Natasa served as a Director of Research Partnership, promoting collaboration with innovation partners on strategic challenges in ICT, including long-term access to digital content (PLANETS and SCAPE EU projects). In 2016, Natasa founded Intact Digital Ltd, a company that provides managed services for hosting legacy software and data to ensure digital continuity of valuable digital assets. Currently, she is serving as Chair of the UNESCO Technology Taskforce for the PERSIST initiative, working on technical and economic solutions to preserve computation and digital heritage. Natasa holds a Doctorate degree in Applied Mathematics from Carnegie Mellon University, Pittsburgh, PA, USA.


Ruth G. Lennon
Ruth G. Lennon is a Lecturer in the Department of Computing in Letterkenny Institute of Technology, Ireland. Ruth’s research interests focus on enterprise scale systems. She has been a member of many technical panels and committees. She is a member of ACM, ACM-W, IEEE, IEEE-WIE and the IEEE Computer Society. She is a member of the working group developing the P2675 DevOps standard. Ruth is the ACM-W Europe Scholarship Chair for 2016 and 2017.

Communications and Outreach

Cigdem Sengul
Cigdem Sengul is a Senior Researcher at Nominet, leading the research on future Internet technologies including blockchain, identity management systems, data protection and privacy. Her main expertise is on network protocols, spanning a wide range of areas in wireless networks. Before joining Nominet, Cigdem worked and led projects in various R&D groups in the USA and Europe. She was a Senior Lecturer and Research Lead at Oxford Brookes University, between 2012-2015. Between 2008-2012, she was a senior researcher at Telekom Innovation Labs/ TUB (Technische Universitaet Berlin) where she co-led the Berlin Open Wireless Lab team to build a WiFi mesh network for the TUB campus. Her research on energy efficiency and interference in WiFi networks has been presented and demonstrated in more than 50 journal and conferences. Cigdem is a Fulbright, UIUC and Vodafone scholar. She is a passionate advocate of increasing diversity awareness in computing. She collaborates with the Micro:bit Educational Foundation to support their mission of teaching coding to school children. She is the co-author of the Networking with the Micro: bit book.

Olja Rastic-Dalborough
Olja Rastic-Dulborough is a multidisciplinary software engineer in the IBM MQ developer experience team in Hursley, UK. She works on making the 25 year old enterprise messaging software that is developed by her team members, more approachable to new users.

Olja organised several IBM Women in Technology Day events that encourage female students to take up a career in technology. In her previous career, Olja worked as a freight forwarder, then completed a four year integrated undergraduate and MSc degree in computing at the University of Southampton.

Past Chair

Reyyan Ayfer
Reyyan Ayfer is working at Bilkent University in Ankara, Turkey and currently holds a multitude of titles including: Department Chair at the Department of Computer Technology and Programming, where she also teaches courses in Programming, Data Structures, Information Ethics and Security; Assistant Chair at the Department of Computer and Instructional Technology Teacher Education; General Coordinator of BETS (Bilkent Educational Technology Support Team) and the Director of the Institutional Relations and History Unit. In addition to her current work, she also contributes her time to international committees in the field of computer education. She undertook responsibilities in the organization committees of ACM SIGCSE’s ITiCSE conferences in the years 2008 and 2009 and she co-chaired ITiCSE 2010 the 15th Annual Conference on Innovation and Technology in Computer Science Education which was held at Bilkent, Ankara, Turkey. Additionally, she is leading the women in computing student chapter since 2005, the first international ACM-W Student Chapter. She was the Turkish Ambassador of ACM-W between 2002-2010. She received the Anita Borg Change Agent Award in 2008 and ACM Recognition of Service Award in 2010. Recently she has been elected as a council member of ACM Europe and has agreed to chair ACM-W Europe.