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Maria Gasparis, Managing Partner

Maria Gasparis has been a partner in our law firm since 1999 and Managing Partner since October 2014. She was formerly an Assistant District Attorney for the County of Suffolk (1996-1998) and an Associate of the Law Office of John C. Tsunis. Ms. Gasparis focuses her practice on representing lenders, borrowers, investors, developers,and landlords in various aspects of real estate transactions including commercial and residential lending, commercial and residential zoning, acquisitions, sales and leasing. Ms. Gasparis also has extensive experience representing clients in estate planning, probate and estate administration, matrimonial and family law, Civil and Supreme Court litigation,and landlord tenant proceeding.

Ms. Gasparis received her Juris Doctor from Albany Law School of Union University (1996) and a Bachelors Degree from SUNY at Stony Brook (1992). Contact Maria Gasparis at mg@tg-law.net.

John C. Tsunis, Retired Special Counsel:

John Tsunis is retired as Special Counsel to our firm and was Managing Partner until October 2014. Mr. Tsunis received a Juris Doctor degree from Syracuse University College of Law in 1975 and is a graduate of New York University with Honors in Banking and Finance (1973). He is a Member of the Board of Governors of Touro Law School, former Chairman of the Board of Directors of New York State Hospitality and Tourism Association, President of Tsunis Family Foundation Inc., past chair of the Stony Brook University Medical Center Children's Hospital Task Force and active in other philanthropic endeavors.


Mary Raghunandan, Esq., Of Counsel

Mary Raghunandan is Of Counsel to Tsunis Gasparis LLP, with a primary concentration in litigation and real estate law. Prior to being Of Counsel to Tsunis Gasparis LLP, Ms Raghunandan has had substantial experience in Civil and Supreme court matters, including trial preparation, research, discovery, and court appearances. After working in several law firms throughout Long Island, in 2021 she moved her main office to Suffolk County, New York, where her concentration is in residential real estate.

Ms Raghunandan received her Juris Doctor from Touro College Jacob D. Fuchsberg Law Center (2014) and a Bachelor of Science in Business Administration from St. Joseph’s College (2011). Contact Of Counsel Attorneys at ofcounsel@tg-law.net.

In Memoriam:

LEONARD LUSTIG: We are deeply saddened on the passing of our dear friend and partner on March 31, 2012. We all cherish the memories of this outstanding man and we celebrate his life.

In Memoriam:

LAWRENCE M. KENNEY: We are deeply saddened on the passing of our dear friend and partner Lawrence Kenney on October 29, 2014. He will be missed and thought of often.


The firm has Associate Attorneys, Of Counsel Attorneys and Professional Support Staff to assist in the effective management of your matters.

2929 Expressway Drive North, Ste 103 - Islandia, Long Island, NY, 11749
(631) 582-4000 - contactus@tg-law.net