John H. Carstens

William (Tom) Thompson has specialized in government contract law and construction litigation for more than 40 years. Tom has represented a broad range of Government contractors (major defense contractors, information technology and systems integration contractors, construction contractors, etc.). His clients have ranged from multibillion-dollar contractors to start-up companies. This representation has included advice on federal cost principles and cost accounting requirements, and complianc...

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...

Adrian L. Bastianelli, III is Of Counsel at Peckar & Abramson. After a long career representing all sectors of the construction industry in claims and litigation concurrently with performing work as an ADR neutral, he has transitioned his practice so that he now works solely in this capacity. He regularly serves as an arbitrator, mediator, DRB member, and in other neutral roles. Adrian is a past Chair of the ABA Forum on Construction Law (ABA Forum) and received the Cornerstone Award from...

R. J. Davis is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. R. J., who practices law in Tysons, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. J. is held by other top lawyers in the same geographic and legal practice area.

Mr. Fox is the managing partner of Ivins, Phillips & Barker. He was named in 2012 by the Washingtonian Magazine for the fourth straight year as one of the outstanding tax lawyers in Washington, D.C., in the Washington Post Magazine's list of Super Lawyers for the third straight year, and has been named in Best Lawyers in America in each of the last ten consecutive years. Although, during his 47 years with the firm, Mr. Fox devoted a substantial portion of his activities to international a...

J. Kathleen (Katie) Bond counsels clients on food, drug, advertising, and labeling regulations with extensive experience in matters related to the U.S. Federal Trade Commission (FTC), U.S. Food and Drug Administration (FDA), and other regulatory bodies. She provides advertising and labeling advice on a variety of products, including food, dietary supplements, over-the-counter drugs, personal care products, cosmetics, and CBD products, as well as on apparel, shoes, jewelry, and sports equipmen...

Mary S. Hodgins is a Partner in the firm’s International Trade practice. She has represented domestic and foreign corporations, state-owned enterprises and foreign governments in unfair trade disputes with the United States before the U.S. Department of Commerce, the U.S. International Trade Commission, the U.S. Court of International Trade and the U.S. Court of Appeals for the Federal Circuit. Ms. Hodgins has also advised U.S. importers with regard to a variety of issues relating to U....

As a Washington DC personal injury attorney, Patrick M. Regan focuses on handling some of the most complex personal injury cases, such as those involving catastrophic injuries, product liability, and medical malpractice. Called a “personal injury lawyer who could be a poster boy for legal ethics and integrity” by Washingtonian Magazine, he is board certified in Civil Trial Advocacy by the National Board of Trial Advocacy. Throughout his extensive legal career, he has recovered ver...

Adam Herzog, a partner of Katz Banks Kumin, joined the Firm in December 2013. Mr. Herzog has represented numerous clients pursuing whistleblower tips before the SEC, CFTC and FINCEN and has successfully assisted them in earning millions of dollars in award payments. Three of Mr. Herzog’s clients received SEC whistleblower awards in the second half of 2023 alone, some of whom participated in a $104 million total award that was the fourth largest in the SEC program’s history. Detail...

Lynn L. Bergeson, Managing Partner of Bergeson & Campbell, P.C. (B&C®), has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), the European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology,...