Strahil Veselinov Kavalenov was born in the village of Razgrad, Montana District, but grew up in Sofia.

[citation needed] After his return to Bulgaria, on April 18, 2009, Kavalenov was ordained a priest by the Bishop of Nicopolis Petko Christov in Belene in the presence of Msgr.

Janusz Bolonek, papal nuncio and Bishop of Sofia and Plovdiv Gheorghi Ivanov Jovcev.

Father Kavalenov is a participant and main organizer of a number of events in Sofia and Veliko Tarnovo, presenting the personality and pontificate of Pope Francis, the Second Vatican Council, the encyclicals Laudato si' (Thank You) and Pacem in terris (Peace on Earth).

[5][6] On October 5, 2020 he was awarded the Cross of Merit "Mary Melitensi" which is handed to the clergy of the Sovereign Military Hospitaller Order of Saint John of Jerusalem, Rhodes and Malta.