Jaak Tarien
Jaak Tarien is an Estonian military personnel. and the current head of the Cooperative Cyber Defence Centre of Excellence since 2018.
Until 2018, he was the head of Estonian Air Force.
In 2003, he was awarded by the Order of the Cross of the Eagle, V Class.
Effective dates of promotion
Estonian Land Forces
| Insignia | Rank | Date |
| 2nd Lieutenant | 1998 | |
| Lieutenant | 2001 | |
| Captain | 2003 | |
| Major | 2006 | |
| Lieutenant Colonel | 2010 | |
| Colonel | 2013 | |
| Brigadier General | 2022 |