[2] In 2005, she was a candidate (backed by BSP and a number of other parties) to become mayor of the capital city, losing out to Boyko Borisov in the second decisive electoral round of the municipal elections.
[5] Tatyana Doncheva is a vocal opponent against corruption and argues in favor of reforms in Bulgaria's justice system.
Recently, she raised concern about the anti-constitutional amendments to Bulgaria's Code of Criminal Procedure which were passed by the Bulgarian Parliament in August 2017.
[6] Doncheva was worried that the new changes create more possibilities for repression: for instance, one of the new provisions permits an investigation to be kept open indefinitely.
"[8] She also warned that Bulgaria's Prosecutor General Sotir Tsatsarov abuses his office and attacks businessmen for personal reasons.