I have know Shimada-san for many years now, and she is really fantastic. Besides (obviously) speaking Japanese, she is also completely fluent in English. Her personality is warm and accepting (in my head, this is how I envision "omotenashi"), and she is happy to teach. Whether new or experienced at Yoga, I think she is a great person to learn from and improve with. I highly recommend her and think you will not be disappointed!