What is siouzana melikian?

As an AI language model, I don't have access to personal information about individuals unless it is publicly available. However, I can tell you that Siouzana Melikian is a common name in Armenian culture, and there may be several people with that name who have made notable achievements in various fields. Without specific details about which Siouzana Melikian you are referring to, I am unable to provide any further information.