Dr Borja del Pozo Cruz is a behavioural scientist working in the area of Physical Activity and Public Health; his particular interest is in modelling the health-related outcomes of the dynamics of use of time across the 24 hours, and developing optimal strategies to help modify behaviours towards physical activity, active lifestyle and better quality of life in vulnerable to inactivity populations, with particular focus on individuals with chronic diseases across the lifespan. The major challenge of improving psychological and other health-related outcomes and quality of life has involved his participation in several funded projects over the last 6 years, resulting in over 60 peer-reviewed scientific papers. Dr. del Pozo-Cruz serves in various professional and scientific bodies including the Sedentary Behaviour Research Network, the Global Burden of Disease Study, the New Zealand Physical Activity Network, the International Society for Behavioural Nutrition and Physical Activity, and the International Society for Physical Activity and Health. Dr. del Pozo-Cruz bring expertise on the assessment of physical activity and sedentary behaviour patterns using objective techniques. Moreover, he is well skilled in complex statistical analysis procedures such as compositional data analysis, mixture models or cost-effectiveness analysis of interventions. Dr. del Pozo-Cruz does regular peer-esteem work through manuscript reviewing and editorial work for some prestigious journals in the biomedical, public health and preventive medicine field.