David C. Frederick

Tom Hyatt is a partner with Thomas K. Hyatt PLLC, based in Washington, District of Columbia. His legal practice focuses on Health Care Law and Nonprofit / Charities Law, with an emphasis on advising tax-exempt organizations on corporate, regulatory, and governance matters. He is a 1979 cum laude graduate of Boston College and earned his Juris Doctor in 1982 from the University of Pittsburgh School of Law, where he served as Editor-in-Chief of the Journal of Law and Commerce . He is admitted t...

Scott works to design a creative, optimized path to problem solving that enhances their chances of recovery. Effective, thorough and practical, Scott is valued by clients and colleagues alike for his depth and breadth of knowledge and experience in insurance law, and for finding the right solution to each client’s distinct problem.Scott served co-lead counsel in a landmark class action trial, the first case of its kind to determine that insurance coverage was available, without aggregat...

J ane C. Bergner's practice encompasses a broad range of tax matters, including tax audit and controversy matters; tax collection disputes; innocent spouse issues; civil litigation at the trial and appellate levels; corporate, partnership, business and individual transactional tax planning; the representation of tax-exempt organizations; and estate, gift and wealth planning and probate. Jane is the author of Chapter 50, "Tax Court Jurisdiction, Procedure & Practice," included in the tax t...

Jaime A. Santos is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. Jaime A., 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 Jaime A. is held by other top lawyers in the same geographic and legal practice area.

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...

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

Alan S. Mark is a member of the firm’s Commercial Transactions , Financial Services , Real Estate , and Science & Technology Practice Groups. For the past 35 years, Mr. Mark has concentrated on corporate, commercial and real estate finance matters. He has served as outside counsel to numerous local, regional and national financial institutions, publicly traded biotechnology companies and hotel owners and operators. He has also served as outside counsel to information and telecommuni...

Sam Spiritos’ clients recognize him as a sophisticated transactional attorney, trusted business advisor and an effective negotiator who truly understands their business needs. Over the course of his thirty-plus year career of successful deal-making, Sam has developed not only a masterful legal ability, but also strong relationships with many key players in the real estate markets in DC, Maryland, Northern Virginia and throughout the country. He draws upon this experience (which includes...

Former two-term Democratic U.S. senator and Arkansas attorney general. Guides clients through sensitive state AG matters and congressional investigations. D.C.’s go-to lobbyist to get things done ethically, efficiently and effectively. Mark Pryor earned a reputation on Capitol Hill as a "voice of reason” during his 12 years representing Arkansas in the Senate and worked across the aisle to pass more than 70 pieces of legislation on a range of critical issues, from consumer protect...

Jeffrey A. Lamken is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Jeffrey A., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey A. is held by other top lawyers in the same geographic and legal practice area.