Background
Sirel was born in Tallinn, Estonia.
Sirel was born in Tallinn, Estonia.
Sirel graduated from the Moscow Military Academy in June 1991 and joined the Soviet Union Army.
One of his early assignments included being a Platoon Leader in the Baical Military District. He joined the Estonian Defence Forces in June 1993 and has gone through several different courses both in Estonia and in the United States before his post as head of the Estonian Army. Soviet Army
1991 Lieutenant (лейтенант)
Estonian Army
1993 Leitnant (Lieutenant)
1993 Kapten (Captain)
1998 Major (Major)
2002 Kolonelleitnant (Lieutenant Colonel)
2008 Kolonel (Colonel)
2012 Brigaadikindral (Brigadier General).