Nini Kossen (Netherlands),
is a licensed physiotherapist and acupuncturist. She graduated from the Kushi Institute of Europe in the 1970s and has studied Iokai Shiatsu intensively with Katsunori Sasaki Sensei.
She has been teaching Shiatsu and Do-In at the Kushi Institute of Europe and at the Amsterdam School for Iokai Shiatsu for many years. Nini graduated as a cultural anthropologist from the University of Amsterdam.