Kathryn Knutsen

Kathryn Knutsen is a video editor and producer who worked for Markiplier from September 2016 to early 2018. She used to live near Mark in Los Angeles, California until she moved out to Boston, Massachusetts in May 2021. Kathryn is also personal friends with Fischbach's girlfriend, Amy Nelson.

While working for Mark, Kathryn has appeared in numerous live-action video series, such as Markiplier Makes.