Peterson brings "additional leadership, management and expertise to the HarborOne Accounting Department," the bank said. She will oversee the bank's compliance with the federal Sarbanes-Oxley Act, approved in 2002 to help protect shareholders, employees and the public from accounting errors and fraudulent financial practices. She will oversee the proper disclosure of required financial, operational and management information, as well as the control and safeguarding of the bank's assets.