With the help of French communists, Ozerov escaped and fought with a partisan detachment in Brittany (the Dombrovsky 13th International Brigade).

After leaving the army, he graduated from the Minsk Polytechnic Institute, worked at a construction firm, Minmontazhspetsstroy, and was involved in building factories and bringing gas to Moscow Oblast.

He was manager of a trust, deputy minister, and director of the State Technical Scientific Research Institute.

In 1985, he became a deputy rector of the Moscow Transport Institute, where he also taught and later became the head of the Labour Protection Department.

Ozerov was also leader of Combatants Volontaires, an interregional association of veterans of the French Resistance.