iTunes Custom RSS Tags - Owner
The iTunes Owner tag designates the name and email address of the person or persons associated with your podcast. The designation is broken into two separate tags, one for email and one for name. These are wrapped with the overall Owner designation. This is another of the many redundancies in the iTunes name space defined by Apple. In almost every case the email will be the same email used to designate <managingEditor> in RSS 2.0, which often specifies email and a name in parenthesis.
The correct format for the Owner tag is: