Roy Barnes has been state court judge since July 2002, after her appointment by the governor. Prior to that she had been a Fulton Country Magistrate as well as a Pro Hac Judge with City of Atlanta Traffic Court.

Diane began her career with McGinn, Webb & Warner prior to becoming a sole practitioner. She is a member of the Alumni Board of Emory University School of Law, Judicial Council Standing Committee on Technology and Co-Editor of Atlanta Lawyer Magazine. She is a former member of State Bar Legislative Council, former Co-chair of Ga.State Bar Commission on E-filing, fand ormer Chair Atlanta Bar Judicial Section.

Diane and her husband, Steven Weiner, have two children. Diane obtained her B.A. from Emory University and her J.D. from Emory University School of Law. She was born in Liberty, New York.