Christian Tell was enrolled in the military forces of the Ottoman Empire, fighting in the Russo-Turkish War (1828–29), where he received the rank of captain.

[3] In 1843, together with Ion Ghica and Nicolae Bălcescu, he established the foundations of the Bucharest secret Brotherhood society - which was the engine of the revolution from 1848.

He was present at the meeting on 9 June 1848, which issued the Proclamation of Islaz, being named among the five members of the provisional government established at that time.

Christian Tell was also part of the new provisional government established in Bucharest, and after 19 July 1848, he was a member of the royal lieutenant (together with Ion Heliade Rădulescu and Nicolae Golescu).

He was an active participant (deputy, coordinator of the Central Commission from Focsani) in the Unionist movement, which domnitor to the double election in 1859 of Alexandru Ioan Cuza and the establishment of the Romanian unitary state.