Harri has a good experience in public sector operations, dynamics and needs when seeking experts for highly demanding posts. His skills are based on duties in the Defence Forces in leader and expert roles as well as wide co-operation with government security actors for around 30 years. Harri has also experience in private sector, he has been involved in ICT services outsourcing, development of cyber security and defence against hybrid threads on national level. Harri has been a Finnish liaison for international co-operation in Brussels and in the United States, altogether for 5 years.