One Of New York’s Top-Rated Matrimonial Law Firms
Founded in 1979, the attorneys at Sager Gellerman Eisner LLP bring more than 100 years of combined experience to clients who are grappling with challenging family legal issues. Whether dealing with a divorce or a custody dispute, our caring attorneys understand the legal and emotional dimensions of each case, with an emphasis on sensitive issues surrounding divorce involving professionals and high net worth individuals.
Lead partner, Alyssa Eisner, has focused the majority of her career in matrimonial and family law and is often relied upon by clients and colleagues due to her vast knowledge of domestic relations and family law in addition to experience complimented by her client-centered approach.

Audrey M. Sager and Steven L. Gellerman are the founding partners of Sager Gellerman Eisner LLP.
The firm was established in 1979 with Audrey at the helm of the matrimonial department and Steven in charge of the real estate and trust and estate division. Under their guidance and tutelage, Sager Gellerman Eisner LLP has grown into an elite law firm, focusing exclusively on matrimonial and family law matters.
Our Team
Alyssa Eisner
Partner
Clients in the New York area turn to Alyssa Eisner of Sager Gellerman Eisner LLP because of her deep knowledge of family law, her client-centered approach and her tenacious advocacy. To save you time, money and frustration, Ms. Eisner encourages clients to pursue alternative dispute resolution. She carries a certification in divorce mediation and collaborative law from the Center for Mediation.
READ MOREEsther C. Bernheim
Senior Associate
Whether you are facing a custody hearing or a major appeal, you benefit from Esther Chyzyk Bernheim’s more than 22 years of experience in family law. She not only knows the law but also understands her clients’ emotional needs.
READ MORESteven Del Vecchio
Counsel To The Firm
Steven Del Vecchio has joined the Sager Gellerman Eisner LLP team as counsel to the firm. Prior to joining the team, Steve was the founder and senior partner of his own law firm, where he devoted the vast majority of his practice to matrimonial and family law matters. Well known for his sharp trial advocacy, Steve is recognized as one of the leading matrimonial attorneys in Nassau County as well as several surrounding counties.
READ MOREAshley Fertig
Associate
Ashley Fertig is an associate at Sager Gellerman Eisner LLP, where she practices exclusively in the fields of matrimonial and family law. Ashley handles all aspects of litigation, including analyzing discovery, conducting depositions, drafting motions and memorandums, negotiating agreements and advocating zealously for her clients in the courtroom. She also works closely with the firm’s managing partner, Alyssa Eisner, to prepare for and conduct complex matrimonial and family law trials.
READ MOREAlexa Bakhash
Associate
Alexa Bakhash joined Sager Gellerman Eisner LLP as an associate in 2020. She works closely with the team to handle all aspects of matrimonial and family law litigation, including evaluating discovery, conducting legal research, drafting motion papers, and advocating zealously for her clients.
READ MOREDaniel S. Miller
Associate
Prior to joining Sager Gellerman Eisner LLP, Daniel served as the principal court attorney to the honorable Elisa S. Koenderman for more than a decade. From January 2009 through February 2021, Daniel assisted Judge Koenderman as she presided over the integrated domestic violence part in Queens County. Based on the “one family-one judge” concept, this specialized Supreme Court part allows a single judge to adjudicate complex matrimonial, family and criminal cases that involve a single family and allegations of domestic violence.
READ MORE
Toni Barton
Paralegal
Toni Barton joined Sager Gellerman Eisner LLP in Octoberf 2017. In this role, Toni works closely with the entire Sager Gellerman Eisner LLP team. She provides legal assistance and communication to the attorneys as well as the clients.

Nathalie Bustamante
Receptionist
Nathalie works closely with leading partner, Alyssa Eisner, as well as the rest of the Sager Gellerman Eisner LLP team to ensure that clients have a productive and enjoyable visit. Nathalie is the first person the client sees when they arrive, and her warm and welcoming demeanor sets the tone of the client’s visit.
One Of New York’s Top-Rated Matrimonial Law Firms
Founded in 1979, the Queens County-based matrimonial attorneys at Sager Gellerman Eisner LLP bring more than 100 years of combined experience to clients who are grappling with challenging family legal issues. Whether dealing with a divorce or a custody dispute, SGE LLP’s caring matrimonial and family law attorneys understand the legal and emotional dimensions of each case, with an emphasis on sensitive issues surrounding divorce involving professionals and high net worth individuals.
Lead partner, Alyssa Eisner, has focused the majority of her career in matrimonial and family law and is often relied upon by clients and colleagues due to her vast knowledge of domestic relations and family law in addition to experience complimented by her client-centered approach.

Audrey M. Sager and Steven L. Gellerman are the founding partners of Sager Gellerman Eisner LLP.
The firm was established in 1979 with Audrey at the helm of the matrimonial department and Steven in charge of the real estate and trust and estate division. Under their guidance and tutelage, Sager Gellerman Eisner LLP has grown into an elite Queens County law firm, focusing exclusively on matrimonial and family law matters.
Our Team

Alyssa Eisner
Partner
Clients in the New York area turn to Alyssa Eisner of Sager Gellerman Eisner LLP because of her deep knowledge of family law, her client-centered approach and her tenacious advocacy. To save you time, money and frustration, Ms. Eisner encourages clients to pursue alternative dispute resolution. She carries a certification in divorce mediation and collaborative law from the Center for Mediation.

Esther C. Bernheim
Senior Associate
Whether you are facing a custody hearing or a major appeal, you benefit from Esther Chyzyk Bernheim’s more than 22 years of experience in family law. She not only knows the law but also understands her clients’ emotional needs.
Steven Del Vecchio
Counsel To The Firm
Steven Del Vecchio has joined the Sager Gellerman Eisner LLP team as counsel to the firm. Prior to joining the team, Steve was the founder and senior partner of his own law firm, where he devoted the vast majority of his practice to matrimonial and family law matters. Well known for his sharp trial advocacy, Steve is recognized as one of the leading matrimonial attorneys in Nassau County as well as several surrounding counties.

Ashley Fertig
Associate
Ashley Fertig is an associate at Sager Gellerman Eisner LLP, where she practices exclusively in the fields of matrimonial and family law. Ashley handles all aspects of litigation, including analyzing discovery, conducting depositions, drafting motions and memorandums, negotiating agreements and advocating zealously for her clients in the courtroom. She also works closely with the firm’s managing partner, Alyssa Eisner, to prepare for and conduct complex matrimonial and family law trials.

Alexa Bakhash
Associate
Alexa Bakhash joined Sager Gellerman Eisner LLP as an associate in 2020. She works closely with the team to handle all aspects of matrimonial and family law litigation, including evaluating discovery, conducting legal research, drafting motion papers, and advocating zealously for her clients.

Daniel S. Miller
Associate
Prior to joining Sager Gellerman Eisner LLP, Daniel served as the principal court attorney to the honorable Elisa S. Koenderman for more than a decade. From January 2009 through February 2021, Daniel assisted Judge Koenderman as she presided over the integrated domestic violence part in Queens County. Based on the “one family-one judge” concept, this specialized Supreme Court part allows a single judge to adjudicate complex matrimonial, family and criminal cases that involve a single family and allegations of domestic violence.

Toni Barton
Paralegal
Toni Barton joined Sager Gellerman Eisner LLP in Octoberf 2017. In this role, Toni works closely with the entire Sager Gellerman Eisner LLP team. She provides legal assistance and communication to the attorneys as well as the clients.

Nathalie Bustamante
Receptionist
Nathalie works closely with leading partner, Alyssa Eisner, as well as the rest of the Sager Gellerman Eisner LLP team to ensure that clients have a productive and enjoyable visit. Nathalie is the first person the client sees when they arrive, and her warm and welcoming demeanor sets the tone of the client’s visit.