Born in Beirut in 1973, Yadalian is a Lebanese-Armenian painter and sculptor. He studied engraving at the Lebanese Academy of Fine Arts "ALBA", and fine arts at the Academy of Fine Arts, Toros Roslin. He is a member of the Association of Lebanese Artists for Painters and Sculptors. Since 2006, he has been a teacher of fine arts at Haigazian University in Beirut. He held various solo and group exhibitions, including that of the Salon d'Automne at the Sursock Museum.
In 2012, His Holiness Pope Benedict XVI inaugurated Megabard, his bronze monument, and blessed it during his visit to Bzommar, Lebanon. A miniature version of the memorial is part of the collection of His Highness Pope Benedict XVI in Vatican City.
In 2015, he presented to His Holiness Pope Francis his painting of Blessed Ignatius Malloyan, in St Peter's Basilica in the Vatican, this painting has been reproduced and issued by the Stamp and Coin Office of Vatican City authorities in a limited edition stamp on September 2, 2015.
He created the bronze "Gratitude" memorial, on Gemmayzeh Pasteur Street, Beirut, in 2015, and in 2016 the "Blessed Ignatius Malloyan" monument, in Bzommar Monastery, Lebanon.
In 2017, he created the Torch of Our Lady of Fatima, presented by His Beatitude Mar Bechara Boutros Cardinal Ray, Patriarch of Antioch and All the East on behalf of the Catholic Church in Lebanon, to the Shrine of Our Lady of Fatima in Portugal. Marking the 100th Anniversary of the Apparitions.
Some of the artist's work is on display in permanent collections including: Sursock Museum (Beirut), Vatican City (Rome), Museum of Modern and Contemporary Art "Makam" (Lebanon), Museum of the Mausoleum of Fatima (Portugal), Museum of the Shrine of Fatima (Portugal). Armenian Genocide (Armenia), Bzommar Monastery Museum (Lebanon), Great House of Cilicia Museum (Lebanon), and many more around the world.
Visit Mark Hachem Gallery to see some of his work.