Nikolaj Feifer (b. 1981) graduated from the National Film School of Denmark in 2011 as a director with the sci-fi short film Junk Love. Since then, he has primarily written and directed Danish TV series. Among the titles are two seasons of Banken - New Normal (DR2), Sjit Happens Season 1 (ZULU), Afhøring (CMORE), Enten/Eller (XEE), and Blå Bog Forever (Zulu).

In 2022, he was head writer and co-director on the Netflix series Skruk/Baby Fever, which he created together with Amalie Næsby Fick. Season 2 of Skruk premiered in the fall of 2024.