James A. Hyatt

Mark K. Lewis is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law. Mark K., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark K. is held by other top lawyers in the same geographic and legal practice area.

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

Becki is a partner in the firm's Washington, DC office, where she chairs the Credit Reporting, Privacy, and Data Security Practice Group. Her practice focuses on consumer financial services and consumer protection matters. Becki counsels financial institutions, consumer reporting agencies, service providers, and others in complying with consumer financial laws and prohibitions against unfair, deceptive, or abusive trade practices. She is an experienced advocate and litigator, representing cli...

Jennifer Eller is co-chair of Groom’s Retirement Services Practice Group and Fiduciary Practice. She’s been with the firm since 1998, beginning as a law clerk, and has been a practicing attorney at Groom since 2000. As a practice group chair, Jenny ensures that the strategic direction and initiatives of the group position Groom to serve the needs of its financial, corporate, and public plan clients. In her practice, she operates from a similar perspective. She advises financial in...

Lewis M. Csedrik is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Lewis M., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lewis M. is held by other top lawyers in the same geographic and legal practice area.

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.

Matthew D. Berkowitz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Mass Tort Litigation / Class Actions - Defendants. Matthew D., 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 Matthew D. is held by other top lawyers in the same geographic and legal practice area.

Richard Chinn is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Richard, who practices law in Tysons, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard is held by other top lawyers in the same geographic and legal practice area.

Matthew W. Morrison is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Matthew W., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew W. is held by other top lawyers in the same geographic and legal practice area.

David L. Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David L., who practices law in Tysons, Virginia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David L. is held by other top lawyers in the same geographic and legal practice area.