Brigadier General Markus Höök was commissioned in 1998 following completion of the Basic Officer Course and began his military career with the Lapland Ranger Regiment. Following the Swedish Armed Forces’ defence reform, he was assigned to the Life Regiment Hussars (K 3), where he has held a range of command and staff appointments at unit and regimental level.

Brigadier General Höök has extensive operational and international experience. Early in his career, he deployed to Kosovo with SWEBAT/KFOR. He subsequently served on several assignments in Mali with the United Nations Multidimensional Integrated Stabilization Mission in Mali (MINUSMA).

From 2015 to 2016, he commanded the Swedish Intelligence, Surveillance and Reconnaissance (ISR) Task Force in Mali, contributing to the United Nations’ intelligence architecture within a multinational framework. In January 2021, he was appointed the first Commander of the Mobile Task Force (MTF) in MINUSMA. In this role, he led full-spectrum operations and implemented the MTF concept in accordance with the UN Force Adaptation Plan. His performance was formally recognized as outstanding, and he was commended by senior UN leadership for his operational effectiveness, multinational leadership and strategic judgement.

At the strategic level, Brigadier General Höök served at Swedish Armed Forces Headquarters in the Policy and Plans Department, where he was responsible for coordinating Sweden’s contributions to United Nations, European Union and NATO operations.

From April 2022 to September 2024, he commanded the Life Regiment Hussars and served as Chief of the Army Garrison. In autumn 2024, he assumed the appointment of Chief of Staff at the Swedish Defence Staff, with responsibility for staff coordination, force development and operational support across the Swedish Armed Forces.

In June 2026, Brigadier General Höök assumed his current appointment as Assistant Chief of Staff for Intelligence at NATO Joint Force Command Norfolk.

Brigadier General Höök is a graduate of the Swedish Defence University and War College. In 2023, he graduated from the NATO Regional Cooperation Course at the NATO Defense College. He is a member of the Royal College of Defence Studies in London and graduated from the Global Strategy Programme in 2026.

His decorations include national and international awards for operational service.

Brigadier General Höök is married and has two children. His interests include literature and travel.