Mr. Allan Berrocal is a postdoctoral student at the Institute of Services Science, Quality of Life Technologies group at the University of Geneva. He has been a Ph.D. student and a Swiss Government Excellence Scholarship holder from 9.2016 till 8.2020 at the same group. He completed an MSc degree in Computer Science in 2010, a BSc degree in Computer Science, and a BA degree in English in 2003 from the University of Costa Rica. He has 12 years of software engineering experience in the banking and avionics systems industries. He has worked in academia as a part-time lecturer at the University of Costa Rica. As part of the QoL Lab, his research interests include quality of life assessment using wearable technologies, human-computer interaction, ubiquitous computing, and machine learning. He studies non-invasive, creative, and evidence-based software solutions to support the evaluation of mental and physical health conditions related to Quality of Life. His doctoral research focuses on developing the Peer-ceived Momentary Assessment (PeerMA) method. PeerMA leverages the ubiquitous availability of smartphones to assist researchers who study human behaviors in out-of-the-laboratory settings.