Dyan M. Kozaczka

Attorney Dyan M. Kozaczka represents individuals in all areas of family law, including divorce, alimony, child support, property division, mediation, arbitration, post-judgment motions for modification and contempt and appeals. She also manages the Siegel, Colin & Kaufman Appellate practice. She has extensive experience settling and litigating highly complex financial matters. Attorney Kozaczka often collaborates with financial experts to analyze and determine the value of interests in private equity funds, professional practices, and privately held business interests. She is known for her persistence, attention to detail and pragmatic approach to cases.

Attorney Kozaczka has experience resolving and litigating complex custody disputes. Attorney Kozaczka appreciates that every client, family, and case is different and prepares a strategy to achieve each client’s particular goals while considering the financial and emotional costs of any given action.

Attorney Kozaczka has considerable experience in dealing with both the defense of and attacks on prenuptial and postnuptial agreements. In this sophisticated niche of the law, her ability to formulate strategies, work closely with experts, review financial disclosures, trace assets, assess claims of unconscionability and make compelling arguments as to the specifics of statutory considerations, all to serve the interests of clients who have, or are considering entering into, prenuptial agreements.

Before joining Siegel, Colin & Kaufman as a Partner, Attorney Kozaczka worked at a highly respected Westport, CT firm focusing exclusively on family law. Before focusing her practice solely on matrimonial law, Attorney Kozaczka litigated complex commercial litigation cases at the trial court, argued before the Appellate court, and represented institutional and individual clients in contested bankruptcy proceedings in federal court. Her experience in these other practice areas provides her with a well-rounded background that is invaluable in handling family matters, especially those involving interests in entities and intricate trusts and estate plans.

Attorney Kozaczka has successfully represented clients in trials at Connecticut’s Regional Family Trial Docket, which is dedicated to handling the most contentious and complicated family matrimonial cases in the state. She also co-counseled Connecticut’s first virtual divorce trial at Connecticut’s Regional Family Trial Docket. The trial lasted over eight weeks and included multiple out-of-state witnesses, financial experts, and numerous exhibits presented electronically.

Dyan M. Kozaczka, Partner

(203) 326-5145


Bar Admissions

Connecticut (2008)
Massachusetts (2009)
District Court of Connecticut (2009)
District Court of Massachusetts (2011)
District Court of Vermont (2012)


Wake Forest University School of Law, Winston Salem, North Carolina

  • Juris Doctorate

Trinity School of Law, Dublin, Ireland

Boston College, Boston, Massachusetts

  • Bachelor of Arts

Distinctions, Honors and Awards

  • Super Lawyers® Rising Star Designee, 2014 – 2023
  • The Best Lawyers in America® in the field of Family Law in Stamford, 30th edition
  • Connecticut Law Tribune “New Leader in Law” (2018)
  • Fairfield Country Business Journal “40 under 40” (2016)
  • “Alimony Retrospective: A Discussion on Case Law and Settlement Strategies since the Implementation of The Tax Cuts and Jobs Act” – co-presenter 2020 CT Legal Conference
  • “Let’s Go (Forum) Shopping! Is the Grass Greener in Connecticut or New York?” – co-presenter 2021 Fairfield County Bar Association
  • “Pulling Back the Curtain: Valuing Private Equity Fund Management Firms and Passive Fund Interests” – a co-presenter 2023 Fairfield County Bar Association
  • “Appellate Law Considerations in Family Law Cases” – co-presenter 2023 CT Legal Conference

Professional Associations and Membership

  • Connecticut Bar Association
    • Family Law Section – Executive Committee
  • Fairfield County Bar Association
    • Co-Chair of Family Law Committee
  • Greater Bridgeport Bar Association
    • Member
  • American Bar Association
    • Member
  • AFCC – Association of Family and Conciliation Courts
    • Member

Take Your Next Step Today

The attorneys at Siegel, Colin & Kaufman are committed to helping you through the complexities of divorce and family law problems. We’re here to help you take the first steps towards a new chapter in your life, offering the guidance and support you need during these challenging times. 

With offices in Stamford and Westport, we serve clients from Greenwich, New Canaan, Darien, Ridgefield, and throughout the Northeast.

Let us be your trusted partner as you embark on this new chapter in your life. Remember, you don’t have to face these challenges alone.

Schedule a Confidential Consultation