Stephanie Monaco is a partner in the Corporate & Securities practice. She advises investment management firms, investment companies and hedge funds across a broad range of investment management needs. Formerly an attorney with the US Securities and Exchange Commission, Stephanie brings a deep understanding of the regulatory environment to counseling clients on issues of compliance and product development.

Stephanie has been selected for inclusion in the Best Lawyers in America every year since 2009 and has been recognized in Chambers, most recently in 2023 in Band 1. As noted in Chambers, Stephanie is valued for her regulatory experience in the registered funds space. Clients observe that she is "incredibly responsive" and that "she's very knowledgeable, very experienced and also has a tremendous business sense." Chambers has also noted Stephanie's "great attitude" while observing that she "has a keen understanding of industry issues" and "knows when to step back and when an issue has to be forced."

Stephanie joined Mayer Brown in 2005. Previously, she was a partner at other prominent law firms in Washington DC. She also worked with the SEC’s Division of Investment Management, first in the Division’s Chief Counsel’s Office (1983–1986) and, later, in the Division’s Office of Investment Company Regulation (1988–1991).


  • Englisch
Securities Investigations: Internal, Civil and Criminal


University of Baltimore School of Law, JD

University of Maryland, BA


  • District of Columbia
  • Maryland