Maureen R. Jeffreys

Katherine D. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Katherine D., who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine D. is held by other top lawyers in the same geographic and legal practice area.

James V. Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. James V., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James V. is held by other top lawyers in the same geographic and legal practice area.

Jonathan R. Mook is a nationally recognized expert in employment law, particularly the Americans with Disabilities Act. He is an author of two Matthew Bender treatises on the Americans with Disabilities Act, the “Americans with Disabilities Act: Employee Rights and Employer Obligations” and “Americans with Disabilities Act: Public Accommodations and Commercial Facilities.” He is an editor for the Virginia Employment Law Letter and a member of the editorial board for th...

Chris graduated from Falls Church High School in 1988, Georgetown University in 1992, and William and Mary law School in 1996. He also attended the George Washington University Master’s Program in Forensic Science from 2001-2003. During law school, Chris concentrated in criminal defense by working as an investigator at the D.C. Public Defender Service. He also clerked at the Public Defender’s Office in Bellingham, Washington in the summer of 1995, where he won his first jury trial...

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John Partigan is known for his extensive experience in public and private company mergers and acquisitions, joint ventures and strategic alliances, capital markets transactions, and corporate governance. He is the team leader of the firm’s national Securities practice. My focus My focus is on helping our clients achieve their goals, by efficiently and effectively structuring and executing on transformative transactions, including acquisitions, dispositions, debt or equity financings, in...

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

Julia is one of the four founding partners of Rock Creek Energy Group. Julia has focused her practice primarily on hydroelectric and electric power matters since 2003. She provides strategic counsel to a broad variety of electric industry participants, including independent power producers, power marketers, investor-owned utilities, and state and municipal entities. She advises clients on issues involving the Federal Power Act (FPA), National Environmental Policy Act, Endangered Species Act, ...

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.

Bob Wellen, a partner of the firm, has practiced tax law for nearly 35 years. His practice involves planning, structuring and negotiating business transactions and representing taxpayers seeking private letter rulings from IRS and tax policy determinations from IRS and the Treasury Department and in controversies with IRS. He also serves as an arbitrator and as an expert witness in commercial disputes involving tax issues. Bob grew up in Jersey City, New Jersey. He graduated from Yale College...