PhD in Risk Management and Societal Safety, University of Stavanger, 2020
Master's degree in Societal Safety, specialization in crisis management, University of Stavanger, 2008
Bachelor's degree in nursing, Agder University College, 2002
Scientific publications
Sørensen, Linda; Johannesen, Dag Tomas Sagen; Melkas, Helinä; Johnsen, Hege Mari (2024). Care-receivers with physical disabilities’ perceptions on having humanoid assistive robots as assistants: a qualitative study. BMC Health Services Research. ISSN: 1472-6963. 24 (1). s 1 - 14. doi:10.1186/s12913-024-10857-9.
Sørensen, Linda; Johannesen, Dag Tomas Sagen; Johnsen, Hege Mari (2024). Humanoid robots for assisting people with physical disabilities in activities of daily living: a scoping review. Assistive technology. ISSN: 1040-0435. doi:10.1080/10400435.2024.2337194.
Johannesen, Dag Tomas Sagen; Lindøe, Preben Hempel; Wiig, Siri (2020). Certification as support for resilience? Behind the curtains of a certification body — a qualitative study. BMC Health Services Research. ISSN: 1472-6963. 20doi:10.1186/s12913-020-05608-5.
Johannesen, Dag Tomas Sagen; Wiig, Siri (2020). Exploring hospital certification processes from the certification body’s perspective - a qualitative study. BMC Health Services Research. ISSN: 1472-6963. 20doi:10.1186/s12913-020-05093-w.
Johannesen, Dag Tomas Sagen; Wiig, Siri (2017). Why adopt ISO 9001 certification in hospitals? A case study of external triggers and sensemaking in an emergency department in Norway. Safety in health. ISSN: 2056-5917. 3 (7). doi:10.1186/s40886-017-0058-5.
Johannesen, Dag Tomas Sagen (2016). Certification and accreditation in hospitals in Norway – approach and adoption.
Johannesen, Dag Tomas Sagen; Wiig, Siri (2014). Auditor style in hospital certification in Norway.
Johannesen, Dag Tomas Sagen (2013). Krisekommunikasjon og risko - før, under og etter kriser.