Daniel A. "Dan" Mullen

Carole A. Rubin is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Carole A., who practices law in Reston, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carole A. is held by other top lawyers in the same geographic and legal practice area.

Michael L. Sibarium is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael L., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael L. is held by other top lawyers in the same geographic and legal practice area.

Debra D. Roby is an accomplished attorney at Washington Energy Law LLP, located in Washington, District of Columbia. With over two decades of experience, she represents a diverse range of stakeholders in the electric industry. She frequently appears before the Federal Energy Regulatory Commission (FERC) on matters such as transmission and energy market tariff and rate filings, merger proceedings, rulemakings, and hydroelectric licensing and compliance. Beyond her work with FERC, she provides ...

Nat P. Calamis is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Nat P., 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 Nat P. is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/walker-helgi-c/ .

Amish M. Shah is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Tax Law. Amish M., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amish M. is held by other top lawyers in the same geographic and legal practice area.

Carolyn E. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Carolyn E., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carolyn E. is held by other top lawyers in the same geographic and legal practice area.

Since joining Regan Zambri Long in 2013, attorney Chris Regan has served as a creative and dedicated advocate for injured clients. In that time, he has built a strong track record of outstanding results for his clients, including numerous seven- and eight-figure verdicts and settlements. He has successfully handled cases involving car crashes (including the leading local case on Uber’s and Lyft’s responsibility when their drivers are at fault), defectively unsafe product design, M...

Mark J. Plumer is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Mark J., 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 Mark J. is held by other top lawyers in the same geographic and legal practice area.

Greg Luce handles civil and criminal litigation and regulatory matters involving the health care industry. He has represented health systems, pharmaceutical and medical device manufacturers, and other health care providers in litigation involving fraud and abuse enforcement, False Claims Act defense, and Medicare and Medicaid reimbursement. Mr. Luce focuses on the counseling and defense of health care providers, suppliers, pharmaceutical companies and physicians under state and federal fraud ...