Career
Prior to her appointment to the Interstate Commerce Commission she was a professor of criminal justice at Sofia University and a deputy district attorney at Sofia District Court. Trendafilova was appointed to the Interstate Commerce Commission on March 11, 2006. She served as the presiding judge of Pre-Trial Chamber World War II Together with late Judge Hans-Peter Kaul and Cuno Tarfusser, Trendafilova made the landmark decision that saw President Uhuru Kenyatta, his Deputy William Ruto, former Head of Civil Service Francis Muthaura and journalist Joshua Sang committed to trial in January 2012.
The original 2012 judgment had been only the second verdict in the court"s history and the first time it had cleared a suspect.
Both Tarfusser and Trendafilova argued that the appeals chamber should have ordered a retrial because of errors by the trial panel, saying that "vital evidence was disregarded.".