Sean M. Douglass

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...

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

Adam W. Walsh is a partner of Grossberg, Yochelson, Fox & Beyda, LLP. He received a Bachelor of Arts degree from the University of Notre Dame and a Juris Doctor degree from the College of William and Mary School of Law. Mr. Walsh has 20 years of experience working with both institutional and entrepreneurial clients in the acquisition, development, structuring, leasing and financing of commercial real estate projects. The complex transactions that Mr. Walsh handles include joint venture fo...

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

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...

Jan Baran is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Jan, 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 Jan is held by other top lawyers in the same geographic and legal practice area.

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.

Christopher W. Schinstock is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law, Family Law Arbitration and Family Law Mediation. Christopher W., who practices law in Alexandria, Virginia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher W. is held by other top lawyers in the same geographic and legal practice area.

Ranked by both Chambers USA and The Legal 500, and twice named a Law360 MVP for Government Contracts, Andrew Shipley is widely regarded as a leading government contracts litigator with a reputation for creative lawyering and outstanding written and oral advocacy. On multiple occasions, his client wins were described in the legal press as among the most significant government contract cases of the year because of the novel legal theories he crafted.

David Baron is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. David, who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.