Denise J. D'Ambrosio, Esq. - Partner

Practice Areas:

Government Relations
Labor & Employment Law
Real Estate

Matrimonial & Family Law
Land Use



Denise J. D’Ambrosio is experienced in handling a wide array of legal issues. Immediately prior to joining Allen & Desnoyers LLP, Ms. D’Ambrosio was in private practice handling matters involving, among other things, Environmental, Energy, Labor & Employment, Litigation, Land Use & Government Relations and Matrimonial & Family Law practices.  Leveraging her experience at NYSDEC, she has personally handled many sites in the Brownfield Cleanup Program from application to Certificate of Completion.  Prior to her recent stint in private practice, Ms. D’Ambrosio served as in-house counsel to New York Power Authority (NYPA) and handled many different aspects of the public utility business. With respect to renewable energy, Ms. D’Ambrosio was instrumental in the development of RFPs and PPAs for wind energy and solar energy. She interfaced with numerous departments and with public and private entities on legal matters concerning licenses, permits, regulatory issues, environmental concerns, MOU’s, RFPs, PPAs, confidentiality agreements, consulting contracts, open meetings law, freedom of information law, and the Public Land Trust doctrine.

As Regional Attorney for the New York State Department of Environmental Conservation (“DEC”), Ms. D’Ambrosio was responsible for legal and technical enforcement initiatives concerning inactive hazardous waste site remedial efforts, spills, and brownfield revitalization pursuant to Environmental Conservation Law, CERCLA, State Superfund and Voluntary Cleanup Programs for sites in Long Island, NYC, and the eight counties of the lower Hudson Valley working closely with federal, state and local entities. In this capacity she initiated and concluded enumerable Orders on Consent and Voluntary Cleanup Brownfield Cleanup Agreements.

In Private Practice, and as former Deputy County Attorney (Litigation Bureau) for the County of Westchester, Ms. D’Ambrosio represented clients with respect to real property (including environmental, remediation, zoning, and transactional); labor and employment claims (including wage and hour claims pursuant to the FLSA and NYLL); and discrimination claims (including Title 7, ADA, ADEA, and FMLA in administrative and court proceedings).  She also represented labor unions in unfair labor practices and disciplinary arbitrations. In addition, her experience entailed planning, health, environmental, utility, Article 78, civil rights, negligence, legislative, and executive governance matters. Litigation included arbitral, administrative, supreme, federal and appellate courts including the Court of Appeals.


Ms. D’Ambrosio is admitted to practice in New York and United States District Courts for the Eastern and Southern Districts. She is a member of the New York State Bar Association, the American Bar Association and White Plains Bar Association.


Ms. D’Ambrosio earned her law degree from Pace University School of Law and a Bachelor’s degree from the State University of New York at Oneonta. She completed the Pace University Land Alliance Training Program through the Pace University Land Use Center, and Harvard University’s John F. Kennedy School of Government’s Senior Executive Program in Public Management.

Professional Memberships:

American Bar Association
New York State Bar Association

White Plains Bar Association

Organization Memberships:

Board Member, Zoning Board of Appeals, White Plains, NY
Board Member, NY League of Conservation Voters, Westchester Chapter

Board Member, NY League of Women Voters, White Plains Chapter

Board Member, White Library Foundation

Board Member, White Plains Library Board of Director

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