617.973.6182fax 617.722.4990



  • Northeastern University School of Law, JD, 1993
  • State University of New York at Binghamton, BA, 1989

Jennifer A. Yelen

617.973.6182fax 617.722.4990 V-card Download PDF

Jennifer is a partner in the Firm’s Litigation Department, concentrating in the areas of Employment Law and Family Law. In addition to representing clients in state and federal courts and before Massachusetts agencies, Jennifer mediates employment and family law disputes.  Jennifer is also a member of the Firm’s Health Care Practice Group.

Prior to joining Posternak, Jennifer was a founding partner of Shilepsky O’Connell Casey Hartley Michon Yelen LLP, an employment and litigation boutique, and a partner in the Litigation Department of Perkins Smith & Cohen LLP.

Employment Practice

In her employment law practice, Jennifer represents both employees and employers in all types of employment matters, including those involving discrimination, sexual harassment, breach of contract and restrictive covenants. She also regularly represents employers and employees in the negotiation of employment contracts, non-competition covenants, and severance packages.  As outside counsel for several Massachusetts employers, Jennifer advises her clients on personnel policies, compliance with state and federal laws, harassment and discrimination complaints and investigations, hiring and termination issues, performance management and discipline of employees, and drafting of employee handbooks, employment agreements and severance agreements.

Representing individuals and corporate entities, Jennifer has also litigated commercial and business disputes, including those involving breach of contract, tortious interference, defamation, breach of fiduciary duty and violations of statute.

Family Law Practice

Jennifer’s family law practice includes litigation of divorce, alimony, child support, custody, post-divorce and paternity matters, as well as negotiation and drafting of separation/divorce and prenuptial agreements. Jennifer also serves as a mediator of family law disputes.

Health Care Law Practice

Jennifer represents mental health professionals with complaints before licensing boards including the Massachusetts Board of Registration of Psychologists, the Board of Registration of Social Workers, and the Board of Registration of Allied Mental Health and Human Services Professionals. Jennifer has represented mental health professionals in over 100 Board-related matters and practice consultations and co-authors “Ask Our Attorney,” a column featured in FOCUS, the bi-monthly newsletter of the Massachusetts Chapter of the National Association of Social Workers.

Jennifer has represented mental health professionals in over 100 Board-related matters and practice consultations.


Jennifer is admitted to practice law before the Massachusetts Supreme Judicial Court, the United States District Court of the District of Massachusetts, and the United States Court of Appeals, First Circuit.  She also has trial experience in the federal courts of New York, Virginia, Georgia and Michigan and the state Courts of South Carolina and Texas. 

Representative Experience

  • Represented the husband in a successful appeal to the Massachusetts Appeals Court, resulting in the Appeals Court’s issuance of the seminal opinion on the treatment of Social Security benefits in the context of divorce.
  • Represented high net worth individuals in complex divorce and post-divorce matters.
  • Represented an international employer in a whistleblower retaliation case in federal court, resulting in the pre-trial dismissal of three of four counts and a jury verdict for the employer.
  • Represented an international employer in a breach of contract case in state court, resulting in a jury verdict for the employer.
  • Represented employees and employers in cases involvement enforcement of non-competition provisions.
  • Represented numerous employees in discrimination cases, resulting in multi-million dollar settlements.


Boston Bar Association 
Massachusetts Bar Association


Jennifer has published articles on employment law issues, including in the Boston Bar Journal, is co-author of several MCLE employment-related publications, including Representing a Plaintiff in a Wrongful Termination Case, the employment law chapter of MCLE’s Basic Practice Manual, and a chapter in MCLE’s Massachusetts Employment Law publication, and has lectured at MCLE on employment issues.

Jennifer was recently a co-presenter for Northeastern Society for Group Psychotherapy’s program titled “Practice Development: Two Lawyers, Two Hours: What you need to know to protect your clinical practice”.

Jennifer was recently selected as a “Top Female Attorney in Massachusetts 2016” by Super Lawyers. She was named Massachusetts Super Lawyer every year from 2007-2017, including being listed as one of Boston’s Top 50 Women Attorneys for her work in the field of Employment Litigation in 2007, 2013 and 2014.  She was also named Massachusetts Super Lawyer - Rising Star in Employment Litigation every year from 2005-2007.

Outside Posternak

Massachusetts Continuing Legal Education, Board of Trustees, President

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