Vincent Ongkowidjojo (1979) is the author of Secrets of Asgard (Mandrake, 2011) and Doors of Valhalla (Mandrake, 2016). Earlier he published Runen in de Noordse traditie by a well-known Dutch publisher Ankh Hermes Deventer (2007). He has been a long time student of Freya Aswynn and currently assists Freya with her School of Runes and Northern Mysteries. His vision is rooted in Western and Eastern esoteric philosophies. He practices and teaches Taiji and meditation.