Negroni is Of Counsel with the firm of Buckley Sandler LLP in Washington, D.C., and is a nationally known attorney in the field of licensing and regulation of mortgage companies and other non-depository financial institutions. Negroni has conducted due diligence reviews of several independent mortgage companies prior to their acquisitions or IPOs. She has conducted 50-state surveys of virtually every substantive area of regulatory compliance of interest to residential mortgage lenders. Under a USAID contract, Negroni advised the Ministry of Finance of the Government of Slovakia on the implementation of a private mortgage banking system in that country. Before joining Buckley Kolar, Negroni was a partner with Goodwin Procter. From 1992–2000, she was the managing partner of Negroni & Kromer, PLLC, a law firm based in Washington, D.C., with an emphasis on the business concerns of financial institutions, including mortgage and real estate companies, Internet-based loan originators, consumer credit lenders, commercial banks and thrifts, and their holding companies. She has also been vice president and associate general counsel of The Prudential Home Mortgage Company and counsel and executive vice president of Skyline Financial Services Corporation (predecessor to GE Capital Asset Management Corporation).

Negroni earned her J.D. degree from Columbia University School of Law and a B.A. from Emory University. She is the author of more than 50 articles on consumer credit regulation and related subjects, which have appeared in a variety of professional publications. She is a member of the District of Columbia and Florida Bar Associations, the National Association of Professional Mortgage Women, and SCRIBES. She has also served as a member of the Advisory Council of the American Association of Residential Mortgage Regulators and of the Board of Governors of the Mortgage Bankers Association of Metropolitan Washington. Negroni was the recipient of the Distinguished Service Award in 1997 from the American Association of Residential Mortgage Regulators.