J. Chapman "Chap" Petersen

Since 1993, Teresa Cole has been a practicing family law attorney handling complex divorce cases, custody determinations, and all other domestic law matters. Based on her experience and proven track record, she has been appointed as a Neutral Case Evaluator for Fairfax County, Virginia. In this role, she provides case evaluations and non-binding arbitration services for other divorce attorneys. In addition, Ms. Cole was appointed to the Divorce and Family Law Attorney Resource Panel as an adv...

James P. Durling is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. James P., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

Aen Walker Webster dedicates her practice to estate planning and administration. She counsels clients on estate planning matters including charitable planning and business succession planning and advises fiduciaries on the administration of estates and trusts. Aen works frequently with individuals and families to maintain family assets and family harmony across generations. Aen draws on a multi-disciplinary background and her years of counseling clients to identify and bring solutions for com...

Jonathan Phillips is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Qui Tam Law. Jonathan, 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 Jonathan is held by other top lawyers in the same geographic and legal practice area.

After graduating from Penn State and receiving her law degree, with honors, from George Mason University School of Law, Karin Riley Porter has had years of experience in the law in a wide range of cases, including DUIs and violent felonies. Before launching Karin Riley Porter Attorney at Law, Ms. Porter served as prosecutor, ultimately providing her with a different perspective of the legal system which she can use when building a defense. Ms. Porter’s extensive knowledge and training i...

C. Sei-Hee Arii is a top attorney recognized by Best Lawyers in the practice area(s) of DUI / DWI Defense. C. Sei-Hee, who practices law in Rockville, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which C. Sei-Hee is held by other top lawyers in the same geographic and legal practice area.

Peter M. Gillon is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Peter M., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter M. is held by other top lawyers in the same geographic and legal practice area.

Diara M. Holmes serves as co-chair of the firm's Tax-Exempt Organizations Practice. She counsels tax-exempt organizations, including large public charities; colleges, universities and other higher education organizations; foreign charities and their U.S. affiliates; associations; government instrumentalities; social welfare organizations; and religious organizations on a broad range of tax compliance and governance issues. She advises nonprofit and for-profit organizations on structuring a va...

Jordan M. Halle is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Jordan M., 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 Jordan M. is held by other top lawyers in the same geographic and legal practice area.

Daniel J. Gerkin is an international trade and national security partner in the Washington, D.C., office of Kirkland & Ellis LLP. Dan advises on issues involving the transnational flow of goods, software, technology and services, as well as investments in the United States and abroad. Specifically, Dan counsels a variety of U.S., international and multinational companies, hedge funds, private equity funds, venture funds, Special Purpose Acquisition Companies, financial institutions, and i...