Timothy P. O'Brien

Thomas J. Kim is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance Law, Securities / Capital Markets Law and Securities Regulation. Thomas J., 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 Thomas J. is held by other top lawyers in the same geographic and legal practice area.

Janis Claire Kestenbaum is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Janis Claire, 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 Janis Claire is held by other top lawyers in the same geographic and legal practice area.

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...

Mark K. Lewis is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law. Mark K., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark K. is held by other top lawyers in the same geographic and legal practice area.

Michael S. McFalls is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael S., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael S. is held by other top lawyers in the same geographic and legal practice area.

John H. LeSeur is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. John H., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

Kevin A. Ewing is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Environmental Law. Kevin A., 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 Kevin A. is held by other top lawyers in the same geographic and legal practice area.

Mike concentrates his practice on Construction Law and Litigation – Construction , with a particular focus on construction, surety , and government contracts matters. He serves as Co-Managing Partner of the Washington, District of Columbia office of Peckar & Abramson PC , chairs the Surety and Construction Related Insurance Defense practice, and is Co-Chair of the firm’s Crisis Management team. Industry feedback published by Chambers USA reflects that clients value Mike’...

Sanford W. Stark is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Sanford W., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sanford W. 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 ...