Koos Jeroen Kers (born 11 October 1986) is a Dutch racing cyclist, who currently rides for Dutch amateur team TWC de Kempen.
[1] He won the first stage of the 2017 Tour of Iran (Azerbaijan).
[2] This win made him the general classification leader, but he lost the lead on the next stage.
[3] He also had top-ten finishes on the third and sixth stages.
[4] The first stage win was his first professional victory, and the second year in a row a Dutchman won a stage of the Tour of Azerbaijan (Iran).