Born in Denmark, 1981, Nikolaj Feifer graduated from National Film School of Denmark in 2007 as a director, with the acclaimed sci-fi short Junk Love. He has since worked on numerous Danish TV series both in directing and writing. Among the titles are Sjit Happens, Enten/Eller, Sygeplejeskolen, and Blå Bog For Evigt.
He created the dark workplace comedy Banken – New Normal, which ran for two seasons on DR2, and the one-location cop show Afhøring, for the streaming platform CMORE.
In 2022, he created the Netflix series Baby Fever (Skruk), together with Amalie Næsby Fick.