Diane Edelstein Diane E. Edelstein is a Senior Partner at Maher Duessel in Pittsburgh, PA and has over thirty years of experience in public accounting. Her entire auditing career has been of non-profits, governments and Single Audit. Diane speaks throughout the country on Non-profit accounting and auditing and Single Audit. She was member of the AICPA NPO Planning Conference Committee from 2012 – 2017 and continued to speak at the annual conference through 2019. Diane currently serves on the AICPA Peer Review Board – GCA PMTF (Government and Compliance Audits Practice Monitoring Task Force) and is a past member of the PICPA Professional Ethics Committee and the PICPA Peer Review Committee.