Arjun Prasad Ramadevanahalli

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

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

Daniel T. Chaudoin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Daniel T., 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 Daniel T. is held by other top lawyers in the same geographic and legal practice area.

Conflict is at the core of many divorces and can produce volatile emotions. Divorcing clients appreciate the combination of strength and compassion Katherine brings to her cases, especially when substance abuse, mental illness, domestic violence or contested child custody issues are involved. Katherine firmly believes in putting the children first in every divorce situation and in trying to reduce conflict between divorcing parents. A skilled problem-solver, Katherine acts decisively on behal...

Thomas L. McCally is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Thomas L., 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 Thomas L. is held by other top lawyers in the same geographic and legal practice area.

Marc DeCandia is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Marc, who practices law in Bethesda, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc is held by other top lawyers in the same geographic and legal practice area.

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

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

Catherine Guttman-McCabe is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

Douglas B. Farquhar has more than 30 years of experience as a prosecutor and defense and regulatory attorney. Since joining the firm in 1997, he has advised pharmaceutical and medical device manufacturers and wholesalers, compounding pharmacies, and individuals on a wide range of enforcement activities, including consent decrees, criminal investigations, debarment issues, arbitration proceedings, civil seizures, FDA inspection issues, and injunctions. Mr. Farquhar has a broad-based understand...