Simon spoke of his admiration for the way Sharapova has conducted herself since receiving the ban.
"She's gone through a long and difficult year going through this process," he said. "I think she's shown a tremendous level of integrity.
"Maria owned up to everything she did. We wish all athletes and people would own up to what they do and take responsibility for their actions.
"She did. She's gone through the process. She received no special considerations due to her celebrity status."