David Avitabile

Leila Marie Jackson Batties is a lawyer recognized by Best Lawyers in the practice areas of Land Use and Zoning Law and Real Estate Law. Leila Marie Jackson practices law in Washington, District of Columbia Best Lawyers has recognized Leila Marie Jackson Batties since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Leila Marie Jackson Batties is held ...

William C. Sjoberg is a lawyer recognized by Best Lawyers in the practice area of International Trade and Finance Law. William C. practices law in Washington, District of Columbia Best Lawyers has recognized William C. Sjoberg since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which William C. Sjoberg is held by other lawyers.

Linda Singer represents governments, attorneys general and other public entities in high-impact, high-stakes litigation and investigations as head of the firm’s Public Client practice area. The former Attorney General of the District of Columbia, Linda’s knowledge and experience includes serving in the public, not-for-profit and private sectors. As AG, Linda gained invaluable insight into the duties of attorneys general and how law firms with the right resources and experience can...

Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...

Christopher S. Rizek is a Member in Caplin & Drysdale's Washington, D.C., office. He also serves as General Counsel to the firm. In 2014, he was listed in the elite "Leading Lawyer" list for Tax Controversy by The Legal 500 . Services Mr. Rizek represents taxpayers in all types of federal civil and criminal tax controversy matters. He also guides clients through IRS audits, prepares administrative claims and protests of IRS actions, and litigates tax and tax-related cases in U.S. district...

Mitch Rapaport is a partner in the firm focusing in tax issues related to public finance and infrastructure finance transactions. During his 30 years in practice, Mr. Rapaport has participated in a wide variety of tax-exempt financings, with an emphasis on public-private partnership transactions and other project financings. Mr. Rapaport has worked on numerous public power financings; stadium and convention center transactions; and education, infrastructure and other industrial projects. What...

For more information, please visit www.gibsondunn.com/lawyer/harrison-Donald/ .

Philip Tucker Evans is a lawyer recognized by Best Lawyers in the practice area of Litigation - Bankruptcy. Philip Tucker practices law in Washington, District of Columbia Best Lawyers has recognized Philip Tucker Evans since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Philip Tucker Evans is held by other lawyers.

Catherine D. “Katie” Bertram started the Bertram Law Group, building on decades of experience as both a medical malpractice attorney and director of risk management at Georgetown University Hospital. In those environments, she learned how doctors and hospitals work, as well as how their attorneys assess claims against them. She draws on this knowledge to advocate for patients and their families. “People want someone competent, caring, and careful. They’ve just gone thr...

Biz is a leader in the field of criminal defense and internal investigations focusing on white-collar defense and health care cases. Biz regularly represents clients in congressional and criminal fraud investigations as well as qui tam, Foreign Corrupt Practices Act (FCPA), False Claims Act (FCA), civil RICO, and employment litigation. She has counseled clients — including boards, audit committees, and management — on the development and implementation of internal compliance and e...