Jan Hertzsch retired from a forty-year career in corporate accounting and implementing the financial modules of large-scale Enterprise Resource Planning systems such as SAP and Oracle. He specialized in banking and government agencies. In retirement, Mr. Hertzsch has used the expertise gained over his career in accounting and systems to help a variety of nonprofits implement accounting systems of their own. He has successfully completed 173 projects and one hour “ask the expert” calls and is considered an expert on nonprofit accounting.