Kasyan participated in master classes led by Tom Krause, Raina Kabaivanska, Viorica Cortez, Janine Reiss and baroque music with Nicolau de Figueiredo and Jory Vinikour.
Kasyan was selected by Adami (Society for Administration of Rights of Artists, Musicians and Performers) for Revelations Classics 2006.
On 12 June 2009, Anna Kasyan won the Grand Prix at the 3rd International Singing Competition at the 71st Strasbourg Music Festival under the chairmanship of Barbara Hendricks.
In 2012, Anna Kasyan was selected by Ararat as being among top 50 most influential Armenians today, among other notable names such as Charles Aznavour, Serj Tankian, Ruben Vardanian and others.
The artist also gave a series of Mozart concerts in Warsaw, Zurich, Osnabrück, Pamplona and Toulouse and appeared in recital at the Festival of Sacred Music in Nice, and at the Opera de Toulon (Jano in Jenufa).
In September 2019, with the baritone Adam Barro, she was the head of the concert organized in tribute to Komitas in the Church of the Madeleine in Paris.