KaiserDillon PLLC > Washington DC, United States > Firm Profile

KaiserDillon PLLC
1099 14TH ST, NW
DC 20005
United States

Dispute resolution > Corporate investigations and white-collar criminal defense Tier 4

Individuals who find themselves amidst politically sensitive white-collar investigations regularly turn to Washington DC-based litigation boutique KaiserDillon PLLC. The firm counts journalists, members of Congress, and political appointees among its clients and represents them before federal and state courts across the US. Matthew Kaiser sports ‘meticulous attention to detail’, while former federal prosecutor Justin Dillon is experienced in Grand Jury investigations, criminal cases, and appeals. Fraud, bribery, and public corruption form part of Jonathan Jeffress‘ advisory portfolio. Hailed as an ‘exemplar in the legal community’, William Pittard regularly advises clients preparing for congressional hearings or inquiries. All four partners jointly lead the practice.

Practice head(s):

Matthew Kaiser; Justin Dillon; Jonathan Jeffress; William Pittard


‘KaiserDillon is a medium-sized litigation boutique that packs a punch on par with Big Law. Their partners bring immense talents in distinct areas (such as Title IX defense and Congressional representations) and they have built a team of highly skilled and tenacious attorneys with impressive backgrounds and pedigrees.’

‘Matt Kaiser is, quite simply, one of the best lawyers I know. His meticulous attention to detail, deep knowledge of complicated issues involving legal ethics, and his wonderful demeanor make him one of the most sought-after lawyers in the area.

‘William Pittard is another exemplar in the legal community. He brings vast knowledge of the inner workings of the House of Representatives–and Congressional matters generally–and he is an absolute joy to work with.’

‘This firm is great – big firm judgment and work ethic.’

‘Deep experience, high level intellects and writing ability.’

Key clients

U.S. Representative Eric M. Swalwell

Work highlights

  • Representing U.S. Representative Eric M. Swalwell in a lawsuit related to the January 6 attack on the U.S. Capitol and conspiring with rioters in an attempt to prevent Congress from formalizing Joseph Biden’s victory in the 2020 presidential election.
  • Representing the former campaign manager for the late Congressman Matt Takai of Hawaii in an investigation by the Federal Election Committee for violating campaign finance laws.
  • Representing an adviser to the United Arab Emirates, who has been indicted by a federal grand jury on campaign finance violations.

KaiserDillon PLLC is a litigation boutique based in Washington, D.C. which represents individuals and small businesses in government investigations, complex commercial litigation, and in the defense of criminal cases. The firm provides skilled and ethical advocacy on behalf of people facing crises that threaten their reputation, livelihood, or liberty; it has been active in high-profile matters such as: the impeachment proceedings against President Trump, where the firm represented the then-acting Chief of Staff to the President of the United States; a number of separate investigations into government conduct during the time of the Trump administration; a voting rights case in Georgia that sprang from the 2018 midterm elections, representation of a woman who accused now-Justice Brett Kavanaugh during his confirmation proceedings; representation of high profile clients who are inaccurately portrayed in the media; and numerous law enforcement investigations of political appointees. The partnership includes former Assistant Federal Public Defenders, a former Assistant United States Attorney, and the former Acting General Counsel and the Deputy General Counsel for the U.S. House of Representatives.

White Collar Defense: KaiserDillon represents clients in criminal matters in federal and state courts around the country on charges such as bribery of foreign officials, improper diversion of funds, government contracting fraud, inappropriate use of the internet, money laundering, obstruction of justice, and securities fraud. The firm has a strong track record of trial work, victories on pretrial motions, successful sentencing advocacy, and negotiations to resolve cases short of a trial.

Congressional Investigations: Understanding the Congressional investigation process from their previous work within government,  KaiserDillon guides clients through communicating with the investigating committee; evaluating how to respond; providing documents or testimony, as appropriate; preparing to testify, as appropriate; litigating if necessary; and managing the legal, political, and other implications of the investigation and subsequent findings.

Campus Disciplinary Defense:  KaiserDillon attorneys represent students at universities across the country accused of violating Title IX; they have written on Title IX in national publications, taught other lawyers how to defend these cases, and given presentations to Title IX coordinators about how to set up fair processes at their schools.

Legal Ethics & Malpractice: KaiserDillon attorneys understand the specialized and evolving laws and regulations that govern the professional responsibility obligations of lawyers. They advise lawyers on how to comply when they are departing law firms, forming new law firms, or where law firms are dissolving. They also represent clients in malpractice claims against their prior lawyers.

Civil Litigation: KaiserDillon attorneys have a wide range of civil litigation experience: helping start-ups challenged by big brand competitors and small businesses embroiled in contractual disputes; and representing directors, officers, employees and companies, big and small, in litigation threatening or vindicating their reputations and their finances.

Frequently Asked Questions: White Collar Crime and Congressional Investigations.

KaiserDillon Blog

Partner Justin Dillonjdillon@kaiserdillon.com1 (202) 640-4427
Partner Jonathan Jeffressjjeffress@kaiserdillon.com1 (202) 640-4430
Partner Matthew Kaisermkaiser@kaiserdillon.com1 (202) 640-2850
Partner Bill Pittardwpittard@kaiserdillon.com1 (202) 683-6150
Susan Geiger, Chief Operating Officer : Email: sgeiger@kaiserdillon.com Ph: 1 (202) 640-2850