Experienced in Long Island matrimonial and family law

Michael R. Gionesi has been practicing matrimonial and family law on Long Island for more than 6 years. Prior to joining Tabat, Cohen, Blum, Yovino & Diesa, PC in 2016, Mr. Gionesi worked at another prominent matrimonial and family law firm on Long Island for 3 years. Mr. Gionesi has experience in conducting trials on matters involving
complex equitable distribution, custody, child support, orders of protection and abuse and neglect matters, as well as formulating lasting, workable and favorable settlements for his clients.

Honors & Awards:

  • Peer Reviewed by Martindale-Hubbell
  • Lead Counsel Rated (Family Law)
  • “Rising Star”; Super Lawyers (2017-2020)
  • “Superb” Rating; Avvo
  • Top 40 Under 40; National Academy of Family Law Attorneys (2019)
  • Fellow; National Association of Distinguished Counsel (2012-2013)


  • New York, 2014


  • J.D., cum laude, Touro Law Center, 2013
  • B.A., cum laude, State University of New York at Farmingdale State College, 2009

Professional Associations:

  • New York State Bar Association, Family Law Section, Member
  • Nassau County Bar Association, Matrimonial Law Committee, Member
  • New York Family Law American Inn of Court, Member

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Tabat, Cohen, Blum, Yovino & Diesa, PC locations:

Ratings & Reviews

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  • google

    Amazing staff. Very knowledgeable and highly professional.

    — Stephanie Underdown

  • lawyers

    Elizabeth Diesa has been the most consistent and caring attorney. I feel confident in her ability to get positive results in family court. She is so knowledgeable and trustworthy. I’m so grateful to have her representing me during this diff...
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    — Client

  • google

    I Retained Bob Cohen about a month ago. When I went into his office, I was hopeless, exhausted and ready to give up all together. I absolutely had been misrepresented and lacked the appropriate legal counsel from my previous attorney. Bob ...
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    — Brittany Montalvo

  • google

    Excellent service

    — Tom Criscuola

  • google

    Robert Cohen represented me in my divorce and I would highly recommend him to anyone going through the same, mostly difficult, situation. From our first meeting, I realized he was going to stand with me through each phase of this process. H...
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    — Roseann Casale