[citation needed] After leaving FEWER in 2003, Nyheim established International Conflict and Security (INCAS) Consulting Ltd. (United Kingdom) together with Anton Ivanov, Samuel Gbaydee Doe, and Tom Porteous.
[1] Lessons learnt from his work on preventing petroleum-related violent conflicts were published in "Balancing Petroleum Policy: Toward Value, Sustainability, and Security" by the World Bank in 2019.
[2] In 2003, he co-authored the Peace and Security Strategy (PASS) for Shell Nigeria that predicted serious instability in the Niger Delta.
[citation needed] Nyheim returned to the North Caucasus in 2005, where worked with Anton Ivanov and others on a Strategic Reconstruction and Development Assessment for the Foreign and Commonwealth Office (United Kingdom).
[citation needed] Nyheim's has undertaken studies, "Preventing Violence, War, and State Collapse.