Krum Zarkov was born on 21 November 1982 in Sofia, People's Republic of Bulgaria.

He graduated from the Lycée Français de Sofia and from the Paris 1 Panthéon-Sorbonne University with a degree in International Law and Law of International Organizations.At the snap parliamentary elections in 2017, he was elected from the list of the BSP for Bulgaria centre-left electoral alliance as a Member of National Assembly from 19th MMC - Ruse.

[1]At the parliamentary elections in April 2021 he was re-elected from the list of the BSP for Bulgaria alliance as a Member of Parliament in the 45th National Assembly from 19th MMC - Ruse.

[2]At the snap parliamentary elections in July 2021 he was re-elected as a Member of Parliament on the list of the BSP for Bulgaria for the 46th National Assembly from 19th MMC - Ruse.

[3]At the snap parliamentary elections in November 2021, he was re-elected as MP on the list of the BSP for Bulgaria alliance in the 47th National Assembly from 19th MMC - Ruse.