Diana was born in 1995 in Ternopol (Ukraine).
She graduated from Ternopil Oblast State Music College after S. A. Krushelnitska in her native town (class teacher – Lesia Korniy). She is a student of the fourth year in Mykola Lysenko Lviv National Music Academy, (class of the Prof. Oksana Rapita).
Diana Chubak is a laureate of many nationwide and international competitions. Among the latest: Competition after Myroslav Skoryk (Kyiv, 2016), the award "Golden Parnassus" at the XII International Piano Forum "Bieszczady without borders" (Sanok, Poland, 2017), the III Prize and the audience prize at the VII International Siegfried-Weishaupt-Klavierwettbewerb competition (Ochsenhausen, Germany,
As a soloist, she performed with Mariupol Municipal Chamber Orchestra "Renaissance", National Presidential Orchestra of Ukraine, Academic chamber orchestra "Lviv Virtuosos" with Academia Dell’Arco Chamber Orchestra (Poland).
She took lessons from such pianists as Karol Radzivonovych (Poland), Andrzej Yasinskyi (Poland), Martin Lysholm Jepsen (Denmark), Matti Raekallio (USA), Lily Dorfman (Israel), Tim Ovens (Germany), Philippe Giusiano (France), Kevin Kenner (USA).
The geography of the pianist's tour includes Ukraine, Poland, Germany, Denmark, Spain.
Diana is also a passionate fan of projects related to chamber performances.