John Roberti

Mark W. Schweighofer is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Tax Law. Mark W., who practices law in Rockville, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark W. is held by other top lawyers in the same geographic and legal practice area.

Hans P. Dyke is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Hans P., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hans P. is held by other top lawyers in the same geographic and legal practice area.

Matt Kaiser is the founding partner at KaiserDillon PLLC. He represents individual and small business clients in commercial litigation , government investigations , and white-collar cases . Before starting KaiserDillon PLLC, Matt worked at some of the best litigation firms in the country - Williams & Connolly and Zuckerman Spaeder. He also worked in the Maryland Federal Public Defender's Office and clerked for United States District Judge Catherine C. Blake. Matt is an adjunct professor o...

As a Washington DC personal injury attorney, Patrick M. Regan focuses on handling some of the most complex personal injury cases, such as those involving catastrophic injuries, product liability, and medical malpractice. Called a “personal injury lawyer who could be a poster boy for legal ethics and integrity” by Washingtonian Magazine, he is board certified in Civil Trial Advocacy by the National Board of Trial Advocacy. Throughout his extensive legal career, he has recovered ver...

Ann Luu is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Ann, who practices law in Fairfax, Virginia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ann is held by other top lawyers in the same geographic and legal practice area.

Richard’s multinational clients benefit from his extensive experience with tax planning and controversy and trust his guidance to resolve challenging transfer-pricing issues as well as to develop, implement, and defend tax-efficient cross-border structures. For more than 25 years, he has advised clients on tax matters, with a focus on transfer pricing. Richard’s international clients span multiple industries, including transportation, finance, hospitality, electronics, food and be...

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Naveen Modi is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Naveen, 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 Naveen is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

Douglas W. Ell enjoys solving difficult problems relating to employee benefits. His creative redesign of one benefit program saved a client over $20 million each year and was recently approved by the IRS. He drafted the first 401(k) plan in professional sports. Mr. Ell has represented a number of nationally recognized corporations, unions and multiemployer plans. He has litigated nationally with great success and persuaded Congress to make important changes in employee benefits laws. He has s...