There are many yoga schools around the world under different names that are not safe places for women. Be aware of them!
You can read the experiences of an Australian women in Tara Yoga center in the UK and Misa in Romania here:
And the experiences of a Finish and a Romanian woman here:
Mr Bivolaru is their guru and their organization is structured to groom women for him. Names of other schools are Natha, Agama, Somandanda, Atman yoga federation, etc