Michael K. Kellogg

Jamie's representations have involved the taxation of financial instruments, the timing of income and deductions, corporate reorganizations, deductions for worthless investments, the substance-over-form and economic substance doctrines, civil tax penalties, and other areas of tax law. From 2006 to 2013, Jamie was a trial attorney with the Tax Division of the U.S. Department of Justice, where he was lead counsel for the government in over 100 civil tax cases, and he received two Outstanding At...

For more information, please visit www.gibsondunn.com/lawyer/ludwiszewski-raymond-b/ .

Marcus Owens represents a broad range of nonprofit organizations, including private foundations, charities, lobbying/political organizations and trade associations. The context has ranged from tax planning, the process of formation and application for exemption, through IRS and state attorney general investigations, including complex audits by IRS Exempt Organizations Financial Investigative Units. Marcus’ focus includes executive compensation, excess benefit and self-dealing excise tax...

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

Known for her straightforward, “cut-to-the-chase” approach to lawyering, Deborah P. Kelly represents employers in virtually all areas, from multibillion-dollar high tech and financial services companies to nonprofit associations and other law firms. Deborah helps her clients adopt best practices that minimize the risk of litigation. She designs and leads in-person training for boards of directors, managers, human resources professionals and other employees. While these trainings f...

Marc S. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Marc S., who practices law in Washington, District of Columbia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc S. is held by other top lawyers in the same geographic and legal practice area.

Victor S. Chang is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Victor S., 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 Victor S. is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/williams-greta-b/ .

Adam Herzog, a partner of Katz Banks Kumin, joined the Firm in December 2013. Mr. Herzog has represented numerous clients pursuing whistleblower tips before the SEC, CFTC and FINCEN and has successfully assisted them in earning millions of dollars in award payments. Three of Mr. Herzog’s clients received SEC whistleblower awards in the second half of 2023 alone, some of whom participated in a $104 million total award that was the fourth largest in the SEC program’s history. Detail...

Christopher R. Wall is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. Christopher R., who practices law in Washington, District of Columbia, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher R. is held by other top lawyers in the same geographic and legal practice area.