Who is Who page, listing the Administrators you say that
Does that mean that they can read my PMs?
Answer: There is no such thing as absolute privacy for anything on the internet. Because PM's are stored along with other data in the database, they are conceivably accessible, although only to three or four persons, and then only with considerable effort. This site has always been careful to preserve the privacy of members' PM's, except where absolutely necessary to verify accusations of serious misbehavior, attacks on others, etc.
It is very rare that this action is taken.