Dr Cathal Gurrin (@cathal) is an Associate Professor at the School of Computing, at Dublin City University, assistant head of the School of Computing with responsibility for Research and Engagement, and a principal co-investigator at the Insight Centre for Data Analytics. Gurrin leads a group of 7 researchers dedicated to developing assistive technologies using wearable sensors and data analytics. The highly interdisciplinary approach advanced by his group, "lifelogging", integrates computer science, cognitive science and data-driven healthcare analytics to generate next-generation digital records of the individual, The basic idea is to provide a non-invasive, secure and privacy-preserving personal big data archive monitoring and analyzing continuously, for instance, health related data in a proactive manner for personalized health maintenance and restoration. He has secured research funding of over €2.5M (from Irish, EU and other international sources), co-authored patents with Samsung, licensed technologies to Irish startups, mentored new technology companies and has graduated 8 PhDs and supervised numerous MSc dissertations. He has a Google H-index of 29 from over 2,500 citations to his research works, and he is the co-author of ‘Lifelogging, Personal Big Data’, 2014. In addition, he co-organises the QS meetup in Dublin and regularly speaks at major international events such as the Global Quantified-Self Conference and partner-events. He is the founder and co-organser of the Lifelog Search Challenge at ICMR, the NTCIR-Lifelog participation workshop and the ImageCLEF lifelog task. Finally he has been the general chair of many high-ranking computer science conferences, such as ECIR 2011 & MMM 2014, he has been the general co-chair of MB2016 & MMM2017, and held co-chairing roles in ECIR 2010, ACM CIKM 2010, ACM SIGIR 2013, and he holds position on numerous editorial boards and conference steering committees. He will be the general co-chair of ACM ICMR2020 in Dublin and the PC co-chair of MMM2019 in Greece.