Yes, in Chinatown there is a character called Noah Cross and another called Hollis Mulray.
However more importantly what is the best way to publicise the criminal activities of this "business", so that as few people as possible are affected?
Best thing you can do is tell the police what you know and let them get on with it. Posting warnings in the way you have simply alerts the crims and lets them hide the evidence. Best they don't know whats being said or done. For instance the guy you named is quite possibly right now transferring the title deeds on any property he holds and moving back to Romania - with someone else standing in
If you have reason to believe a specific girl or girls are trafficked or at risk, then there's ways of warning more subtly. For instance, do a review, state what you saw. Describe the state of the girl, mention anything that you find disturbing - most punters will understand and read between the lines. Don't publicly name the traffickers - it gives them a warning, and compromises your safety.
But most importantly, protect yourself. If you made your post within a day or so of a punt, it may give them a clue who you are: was it an outcall, did you ask too many questions.....? Sometimes its easier to work things out than you may imagine. Posting here that you've told the police puts you at risk.