Throughout nearly two decades with contribution to the Norwegian Military Academy, Rønnaug has contributed with various development and research work. In 2003 - 2004 she conducted a study on mountain climbing and coping with stress. The same year she conducted a study on decision making based on interviews with officers on duty in Kosovo. She also made interviews on the same topic during some fieldwork in Denmark. The reports are published at the Academy.

Rønnaug has continued to write reports/ articles. Currently she is working on a project on leadership and judgement. An example of her previous work on Professions and Education from 2012 can be accessed at the BIO page.