David is a Fulbright Scholar, Raine Robson Fellow, and Clinical Psychologist. He is one of the founding Directors of the Perth Emotion & Psychopathology Lab (www.emotionpsychopathologylab.com), a cross-institutional research lab at UWA and Curtin University comprised of >40 academics, clinicians, and research students. David's main research and practice interests are in the assessment, understanding, and treatment of emotional disorders or problems (e.g., depression, anxiety, loneliness). He has published >90 journal articles and book chapters. His work often examines the role that emotion processing (alexithymia) and emotion regulation difficulties play in a range of mental health disorders, and how this understanding can be used to develop more advanced treatments. David is also passionate about developing new assessment tools to improve the quality and accessibility of mental health assessments. He has developed of several widely used psychometric questionnaires, all of which are freely available online, including the Perth Alexithymia Questionnaire (PAQ), Perth Emotion Regulation Competency Inventory (PERCI), Emotion Beliefs Questionnaire (EBQ), Perth Empathy Scale (PES), Parental Assistance with Child Emotion Regulation Questionnaire (PACER), and Emotion Regulation Questionnaire-Short Form (ERQ-S). These measures have been downloaded over 150,000 times, translated into over 15 languages, and are widely used by researchers and clinicians around the world. David is the Editor-in-Chief of the Journal of Emotion and Psychopathology, and is on the journal Editorial Boards of both Emotion and Frontiers in Psychiatry. He is a member of the International Hierarchical Taxonomy of Psychopathology (HiTOP) consortium. David is the National Chair (and past WA State Chair) of the Australian Psychological Society College of Clinical Psychologists. He is also a WA Committee member for Australian Rotary Health, through which he seeks to promote mental health well-being initiatives throughout the community.