Todorov was born on 8 April 1974 in Plovdiv. In 1993 he graduated from National School of Music "Dobrin Petkov" in Plovdiv in the piano class of Darina Kantardzhieva and trumpet class of Lilia Kovacheva-Toporcheva. As a student he founded the Plovdiv Youth Orchestra. In 1996/1997, he was invited by the Leonard Bernstein Foundation (Jerusalem) for a specialization in Israel, where he worked with Mendy Rodan, conductor of the Israel Philharmonic Orchestra.
Since 1997 Todorov has been the musical director of the international festival "Thracian Summer". In 1998-1999, he became the permanent conductor of the North Israel Symphony Orchestra in Haifa. The same year he was invited to be the Artistic Advisor of the Los Angeles International Chamber Music Festival.
In 2001 he made his debut with the Sofia Philharmonic Orchestra, and from the 2004/2005 season he became its permanent guest conductor. From 2005 to 2017 he was the director of the State Opera in Ruse.
In 2017 Todorov was elected director of the Sofia Philharmonic Orchestra. Since then he has broadened the repertoire of the orchestra and has brought a new calibre of soloist and guest conductor to work with it.
- Dobrin Petkov Music High-School
- Vienna Music Seminar
- Vienna Music University
- Jerusalem Rubin Academy
- New Bulgarian University
- Prof. Lilia Kovacheva-Toporcheva
- Prof. Krastju Marev
- Prof. Alexander Vladigerov
- Prof. Karl Österreicher
- Prof. Uros Lajovic
- Prof. Günter Theuring
- Prof. Peter Richter
- Prof. Mendi Rodan
- 1993 – 1995 Borghese Foundation
- 1995 – 1997 St. St. Cyrill and Metody Foundation
- 1995 – 1997 Rotary International, Vienna
- 1996 – 1998 George Wachter Foundation, Switzerland
- "Allmusic Biography". Retrieved 21 May 2022.
- "Operabase conductor Nayden Todorov". Retrieved 21 May 2022.
- "Sophia Philharmonic conductor". Retrieved 21 May 2022.
- "Bucharest International conducting competition". Retrieved 21 May 2022.
- "Sofia Philharmonic: 'A historic orchestra, in its prime'". Gramophone. 20 December 2019. Retrieved 21 May 2022.
- "Nayden Todorov on Discogs". Retrieved 21 May 2022.