We are happy to welcome Roman Keller as our new doctoral student at the Centre for Digital Health Interventions, Singapore-ETH Centre. In the context of the Future Health Technologies (FHT) programme and in collaboration with the Saw Swee Hock School of Public Health, National University of Singapore, Roman will develop a smartphone-based and chatbot-delivered MobileCoach intervention for individuals at risk of developing type-2 diabetes. Roman holds a bachelor’s and master’s degree in Health Sciences and Technology with a major in Human Movement Science and Sport from ETH Zurich. Before joining our team, Roman had the opportunity to conduct two research internships in Public Health Research at the University of Zurich and the University of Otago in addition to his previous work experience as a database developer in civilian service for the Swiss NeoNatal Network at the University Hospital Zurich. Roman has already been working at our centre and was recently involved in developing a systematic literature review on artificial intelligence-based conversational agents for chronic conditions and is currently working on a systematic literature review on voice-based conversational agents for chronic conditions. Roman is part of the team that developed Elena+, a pandemic lifestyle care intervention for Covid-19.