Halfdan Keller Justesen (born 1992) has larped since 1998, and introduced his parents to larp soon thereafter. He is a trained product designer and currently lives in Copenhagen, Denmark. He organised his first larp in 2018 in collaboration with Avalon Larp Studio, which he is now a member of.
Halfdan studies sustainable design engineering at Aalborg University in Copenhagen, and is currently working on his master's degree.
Avalon (2018), organiser - NPC coordinator, emotional safety, player recruitment and marketing
Tale of the North Wind (2019), organiser - Project Lead