Heleen Riper is professor of eMental-Health at the Vrije Universiteit Amsterdam (Department Clinical, Developmental and Neuro Psychology, section Clinical Psychology, The Netherlands) and works as well at GGZ inGeest a large mental health service organization in the Amsterdam region (Research Department), Amsterdam, the Netherlands. She is honorary professor Telepsychiatry at the University of Southern Denmark (Faculty of Health Sciences, Odense) and a visiting professor at the University of Turku, Faculty of Medicine, Finland. Over the past 20 years her research focus has been on the development, evaluation and implementation of innovative eMental-Health interventions for common mental disorders from prevention to treatment. The scope of her current research activities includes the use of mobile health, and combined online and face to face (‘blended’) treatments for depression, anxiety and substance use related disorders. New methodological challenges include the development and evaluation of mobile ecological momentary assessments and interventions (EMA/EMI), patient-centered design and digital phenotyping. She has opted for an international perspective and collaboration throughout her academic career and acted as Principal Investigator of over 15 large scale European Union projects and reviewer for Research Funding Organizations globally. She was Principal Investigator/coordinator of the European Comparative Effectiveness study on Internet Interventions for Depression (E-COMPARED, www.e-compared.eu). She has published over 300 (international) peer reviewed papers and book chapters within the eMental-health domain (H index 47 as per 2020). In 2020 she has been ranked by the Web of Science™ in the top of 1% mostly cited researchers in her cross-sectional domain. In 2013 Heleen Riper (co) founded the Journal of Internet Interventions of which she is associated editor (published by Elsevier) and from 2014 - 2016 she was President of the International Society for Research on Internet Interventions (ISRII). Since 2018 she is director of the DIFFER EU-Consortium (Digitial Framework For E-health Research) which provides a technological not-for-profit platform (Moodbuster 2.0) for mental-health researchers who aim to develop, evaluate and implement the digital interventions (www.moodbuster.science ).