Mark F. Sundback

My approach in my practice is one of empathy and support. I provide my clients with peace of mind as I help them plan for the future and guide them through difficult times. Creating an estate plan can be daunting, and it is tempting to put it off. I make the process as easy and stress-free as possible, and my clients leave feeling a sense of accomplishment and relief. My team and I also guide families through the handling of the estate after the death of a loved one. We understand how difficu...

Nationally recognized authority in defamation law. Focused on protecting, defending and vindicating the most valuable asset many people and companies have—their reputations. In addition to being an accomplished business litigator for 25 years, Mitch Langberg serves as co-chair of the firm's Crisis Management Group. He brings his unique perspective on communications and media relations to brewing crises and those that have already erupted. Mitch works with individuals and companies to pr...

Timothy J. Jessell is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Timothy J., who practices law in McLean, Virginia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. is held by other top lawyers in the same geographic and legal practice area.

Christopher Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Christopher, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Matt Hjortsberg is skilled at assisting clients in managing complex problems from “black swan events” to complex legal issues and multi-party negotiations. He has extensive experience representing commercial contractors, subcontractors, design professionals and owners in disputes, including construction delay, impact and defect claims. Regardless of the nature of the dispute, Matt brings the same core skills to each matter to help clients mitigate and manage risk. An unusually qui...

Harold J. Ashner is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Harold J., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harold J. is held by other top lawyers in the same geographic and legal practice area.

Jim Coleman has forty years of experience in counseling employers on wage and hour matters, as well as defending employers in wage and hour litigation and administrative proceedings. His expertise includes in-depth knowledge of the Fair Labor Standards Act (FLSA), and many comparable state wage and hour laws. Jim served as General Counsel for the National Council of Chain Restaurants for two decades, and through his representation of the trade association, as well as many of its member compan...

Diara M. Holmes serves as co-chair of the firm's Tax-Exempt Organizations Practice. She counsels tax-exempt organizations, including large public charities; colleges, universities and other higher education organizations; foreign charities and their U.S. affiliates; associations; government instrumentalities; social welfare organizations; and religious organizations on a broad range of tax compliance and governance issues. She advises nonprofit and for-profit organizations on structuring a va...

Sarah E. Mancinelli is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sarah E., 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 Sarah E. is held by other top lawyers in the same geographic and legal practice area.

Jacki Thompson represents management in a wide range of employment matters, with particular expertise in labor relations in the airline and healthcare industries. Jacki guides clients through all facets of labor law. As a member of the firm's Airline Group, she assists both airlines and airline carrier service providers in grievance resolution matters, including grievance arbitrations and mediation. She has also successfully defended multiple AIR21 cases for her airline clients. In addition, ...