Colleen M. Heisey

Jonathan S. Jeffress served the District of Columbia as an Assistant Federal Public Defender for 14 years, regularly taking on – and defeating – the Department of Justice and the U.S. Attorney’s Office in court. Jon specializes in representation for clients under investigation for alleged false statements, bribery, and campaign finance violations. Since entering private practice at Kaiser Law, Jon has worked with clients in all phases of federal criminal cases, including thr...

Bryan H. Parr is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Bryan H., 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 Bryan H. is held by other top lawyers in the same geographic and legal practice area.

Catherine Little counsels clients on energy-related environmental and administrative law at all levels of federal, state and local government, with particular emphasis on regulatory compliance, enforcement defense and administrative adjudication under the Pipeline Safety Act, Clean Water Act (including wetlands) and the Oil Pollution Act. Catherine regularly advises clients with respect to pipeline safety regulatory compliance issues, permitting, spill and release reporting, as well as natura...

Michael H. Neifach is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Michael H., who practices law in Reston, Virginia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael H. is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/ludwiszewski-raymond-b/ .

A gifted civil litigator, Matt Pavlides is driven by a desire to help clients in an efficient, responsible fashion “so they can get back to doing what they want to do with their lives.” Matt’s approach to practicing law is defined by his commitment to analyzing the big picture in order to fully understand each component of a case. He strives to place his clients in the best possible position, and keep them fully informed at each step of the way. He prides himself on his acce...

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Craig E. White is a principal with Sevila, Saunders, Huddleston & White, P.C. in Leesburg, Virginia, where he has practiced law since his admission to the Virginia State Bar in 1988. Mr. White practices in all aspects of family law, including but not limited to divorce, equitable distribution of property, support and custody. He is also certified as a family law mediator by the Supreme Court of Virginia and has been successfully mediating family law cases since 2005. Mr. White is a former...

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, ...

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...