Khosrow Dehdasht Heidari, (ordained name, Dotetsuzenji) is an Iranian Zen- Buddhist monk who was ordained as a Rnizai Zen monk in 1985, at Sogenji Zen Monastery, Okayama, affiliated to Myoshinji (Mother Temple- Kyoto) under the famous Zen master, Ven. Harada Shodo Roshi. He was originally a teacher in the Ministry of Education in Iran, teaching for nearly 21 years. He graduated with a B.A. in philosophy from Osmania University, India. His field of research is psychology.
He practiced different techniques of meditations in different countries. In the UK, he started teaching meditation to Iranians and non-Iranians alike. He is a member of the One Drop of Sogenji monastery in Japan.