Daniel A. "Dan" Masur
About Daniel A. Masur
Daniel A. Masur is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2008. Daniel A. Masur is recognized in the following practice area:
- Washington, District of Columbia
- Information Technology Law
Current Firm: Mayer Brown
Education: Georgetown University, J.D., graduated 1977
Location: Washington, DC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
A former DOJ cybercrime prosecutor and former director of PwC’s cyber forensics group, Kim delivers top of the line cyber risk management and information security counsel to her clients. As co-leader of our Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes Team, Kim is recognized by select publications and is frequently quoted by the media. Kim Peretti is co-leader of the Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes ...
Michael A. Robinson is the founder and Chief Executive Officer of Robinson Law, PLLC, and he brings a distinguished record of public service and litigation experience to his current role. After earning his J.D. from Regent University School of Law in 2006, he began his legal career as a prosecutor in the City of Newport News and later in Fauquier County, Virginia. In Newport News, he was assigned to the Juvenile & Domestic Relations team and prosecuted nearly 1,000 cases in Juvenile and D...
Kelly Behr is an associate in the Affordable Housing practice group. She works with affordable housing clients across the country on transactional matters involving multifamily affordable housing acquisition, construction, ownership, development, financing, rehabilitation and preservation. In addition to her affordable housing practice, Kelly regularly provides pro bono representation to domestic violence victims seeking protective orders. What do you focus on? I work with clients on all aspe...
Neil L. Henrichsen is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Employment Law - Individuals and Litigation - Labor and Employment. Neil L., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Neil L. is held by other top lawyers in the same geographic and legal practice area.
Michael A. Hass is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Michael A., who practices law in McLean, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael A. is held by other top lawyers in the same geographic and legal practice area.
Adam W. Walsh is a partner of Grossberg, Yochelson, Fox & Beyda, LLP. He received a Bachelor of Arts degree from the University of Notre Dame and a Juris Doctor degree from the College of William and Mary School of Law. Mr. Walsh has 20 years of experience working with both institutional and entrepreneurial clients in the acquisition, development, structuring, leasing and financing of commercial real estate projects. The complex transactions that Mr. Walsh handles include joint venture fo...
Yvette Gatling is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Yvette, who practices law in Tysons, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yvette is held by other top lawyers in the same geographic and legal practice area.
T.J. Sullivan is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. T.J., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which T.J. is held by other top lawyers in the same geographic and legal practice area.
Mike focuses his practice on construction, surety and government contracts law. He is Co-Managing Partner of the Washington, DC office, chair of the Surety and Construction Related Insurance Defense practice, and Co-Chair of the Crisis Management team. Chambers USA commentary from industry leaders regarding Mike includes: “Without a doubt one of the most knowledgeable, solution-driven attorneys we have ever worked with. Michael always seeks the most practical and direct solution for all...
Margaret J. McKinney is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Mediation. Margaret J., who practices law in Bethesda, Maryland, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret J. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Alimony Explained: Who Qualifies, How It Works and What to Expect
by Bryan Driscoll
A practical guide to understanding alimony, from eligibility to enforcement, for anyone navigating divorce
UnitedHealth's Twin Legal Storms
by Bryan Driscoll
ERISA failures and shareholder fallout in the wake of a CEO’s death.