(1968) is a programmer, writer, organizer, lecturer and podcaster, mainly on the subject of film and often in combination with literature. Koning Film is the collective of speakers on film that she established. Heywegen's books include The Other Director, about directors of photography; she collaborated with Frans Westra on Passie voor Cinema (Passion for Cinema), which highlights four decades of film screenings in the Netherlands; and she edited and wrote for the film magazine Skrien. Currently, she writes regularly for the websites of the Netherlands Society of Cinematographers and literary magazine Elders.