William C. Brennan, Jr.
About William C. Brennan, Jr.
William C. Brennan, Jr. is a lawyer based in Greenbelt, MD and has been recognized in The Best Lawyers in America® since 2007. William C. Brennan, Jr. is recognized in the following practice area:
- Greenbelt, Maryland
- Criminal Defense: White-Collar
Current Firm: Brennan McKenna & Lawlor Chtd.
Education: Columbus School of Law, Catholic University of America, J.D., graduated 1976
Location: Greenbelt, MD
Nearby Lawyers
Chair of the firm’s Natural Resources Department and the American Indian Law & Policy Group. Represents tribal nations, those doing business with tribes and western water districts. Proven ability to resolve natural resource and water disputes before Congress and the Department of the Interior. Ryan Smith represents tribes, water districts and corporations before Congress, the Department of the Interior and the courts on tribal issues and Western natural resource issues. He has sign...
Abbe David Lowell is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Abbe David, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Abbe David is held by other top lawyers in the same geographic and legal practice area.
James J. Plunkett is a top attorney recognized by Best Lawyers in the practice area(s) of Labor Law - Management. James J., 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 James J. is held by other top lawyers in the same geographic and legal practice area.
Leigh-Alexandra Basha focuses her practice on domestic and international estate and tax planning. She counsels an affluent international client base on a wide range of sophisticated matters, including estate and trust administration, family wealth preservation, tax compliance, as well as business succession, expatriation and pre-immigration planning. Leigh is head of the Firm’s Washington, DC, Private Client Practice Group. Please view more on Leigh-Alexandra's biography here: https://w...
William McConagha is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. William, who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area.
Virginia C. Haizlip is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Elder Law, Family Law, Family Law Mediation, Litigation - Trusts and Estates and Trusts and Estates. Virginia C., who practices law in Fairfax, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Virginia C. is held by other top lawyers in the same geographic and legal practice area.
Becki Young, Partner, is a seasoned business immigration attorney with 20 years of experience in the field. She has represented more than 100 of the world's most prominent hotels and restaurants, and facilitated the sponsorship of foreign professionals, trainees, interns and individuals of "extraordinary ability." In addition to her hospitality practice, Becki regularly provides immigration law advice to clients in a broad range of industries, including investment banking and securities, info...
Sean P. Kelly has practiced exclusively in the area of family law and divorce for his entire career as a lawyer, which began in 1994. Having "grown up" in the field, Sean has extensive litigation experience and a significant knowledge and understanding of the law. One benefit of his years of litigation experience is that it affords a seasoned trial lawyer like Sean many more opportunities to achieve fair and equitable settlements for his clients. His substantial trial experience, coupled with...
Saul Mezei is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Saul, 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 Saul is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
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.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
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.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer