Mark Greenstein

Mark is a seasoned ERISA attorney who comes to our firm after nearly 25 years in the Office of Policy and Research at the Department of Labor’s (DOL) Employee Benefits Security Administration (EBSA). During his tenure at the DOL, Mark analyzed complex legal issues arising under Title I of ERISA, including those arising under legislation, as well under Organization for Economic Co-operation and Development (OECD) and Government Accountability Office (GAO) reports. In the private sector, Mark represented corporate clients on ERISA Title I issues , including in connection with an application for a landmark ERISA prohibited transaction exemption.

Mark also served in EBSA’s Office of Regulations and Interpretations, Division of Fiduciary Interpretations, where he responded to inquiries from the public and the field on ERISA Title I issues, including fiduciary responsibility and prohibited transaction provisions. As Acting Division Chief there, Mark supervised the production of a large volume of advisory opinions and other guidance. He also originated the analysis that served as the basis for the Supreme Court’s decision in the seminal Title I case, Commissioner v. Keystone Consol. Industries, Inc. In addition, Mark originated drafts and analyses serving as the basis for the DOL regulations under Section 404(c) of ERISA.