Seth L. Williams

Adam H. Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Adam H., 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 Adam H. is held by other top lawyers in the same geographic and legal practice area.

Jeff Witt is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Jeff, 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 Jeff is held by other top lawyers in the same geographic and legal practice area.

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

Ian Paul Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Ian Paul, 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 Ian Paul is held by other top lawyers in the same geographic and legal practice area.

Brian R. Sanderson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Health Care, Medical Malpractice Law - Defendants and Professional Malpractice Law - Defendants. Brian R., who practices law in Fairfax, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian R. is held by other top lawyers in the same geographic and legal practice area.

Began the practice of law at the Federal Power Commission in 1974. Joined Sidley & Austin (now Sidley Austin LLP) in 1977, elected to partnership in 1981. Co-head of Energy practice, 2006- present

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...

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

Stephen Weissman is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Stephen, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen is held by other top lawyers in the same geographic and legal practice area.

Though divorce can be one of life’s most distressing events, by building relationships, cultivating trust and creating solutions, Sarah Zimmerman helps clients achieve the best outcome possible while attempting to minimize the financial and emotional impact of divorce. Sarah excels in guiding clients through complex financial and custody issues, and serves a wide range of individuals including high-asset clients and working or stay-at-home spouses who are financially dependent. Sarah's ...