Mark M. Katz

John Parker Sweeney has more than 30 years of experience defending major class action and mass torts involving product liability and warranty, consumer protection, environmental, and toxic tort cases, allowing him to tailor an appropriate litigation response for any company to resolve "bet-the-company" risks. He regularly serves as national litigation counsel, creating and supervising comprehensive defense strategies in class action and mass tort cases across the country, most recently sweepi...

Rob Niccolini is co-chair of the firm's Healthcare Practice Group. He represents management in employment litigation and labor disputes, with special experience in the health care, technology, insurance, manufacturing, government contracting, hospitality and retail industries. His practice includes all facets of employment discrimination, harassment, wage and hour, ADA, FMLA, ERISA, covenants not to compete and employment torts, as well as labor arbitration, union campaigns and unfair labor p...

Jean Galloway Ball is a top attorney recognized by Best Lawyers in the practice area(s) of Elder Law. Jean Galloway, who practices law in Fairfax, Virginia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean Galloway is held by other top lawyers in the same geographic and legal practice area.

Paul S. Kraske is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Paul S., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul S. is held by other top lawyers in the same geographic and legal practice area.

During his more than 30 years of practice, Mr. Jaffe has focused on dispute resolution internationally in arbitrations under various international arbitral regimes and domestically in court and arbitration proceedings. A significant part of his work has involved representing owners, contractors and other stakeholders in projects ranging from infrastructure and energy facilities to sports stadiums and a wide variety of commercial structures. He has acted as counsel in numerous international an...

Linda Singer represents governments, attorneys general and other public entities in high-impact, high-stakes litigation and investigations as head of the firm’s Public Client practice area. The former Attorney General of the District of Columbia, Linda’s knowledge and experience includes serving in the public, not-for-profit and private sectors. As AG, Linda gained invaluable insight into the duties of attorneys general and how law firms with the right resources and experience can...

Elizabeth’s practice has focused exclusively on family law since 2016. She handles matters including divorce, custody, child support, spousal support, equitable distribution, business valuation, step-parent adoption, premarital agreements, protective orders, and enforcement issues. Her cases have included complex issues such as mental health concerns, domestic abuse, alcohol and drug addiction, parental alienation, financial tracing, and unilateral dissipation of assets. Elizabeth belie...

Sogand Zamani is the founder of Zamani & Associates PLLC, a family law firm dedicated exclusively to all aspects of family law and family formation. With almost two decades of legal experience to guide her, Sogand is valued for her thoughtful consideration of her client’s financial needs, complex real estate and business assets, deeply-felt custody concerns, and jurisdictional challenges. Sogand regularly mediates, represents individuals as Collaborative counsel, and negotiates to a...

John H. LeSeur is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. John H., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

David A. Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. David A., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David A. is held by other top lawyers in the same geographic and legal practice area.