Iain McPhie

Gregory Giammittorio represents private and publicly held companies in all stages of growth on a range of issues involving mergers and acquisitions, joint ventures, strategic alliances, venture capital, and public and private securities offerings. Mr. Giammittorio has recently worked on mergers and acquisitions for government services, telecommunications, energy, software, semiconductor, information technology, medical device, media, and life science companies. He has developed numerous acqui...

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

Donna Rismiller has been recognized for her high achievement and legal aptitude by several publications including the Maryland Daily Record, Maryland Super Lawyers Magazine, Baltimore Magazine and The Washington Post Magazine. She has been recognized as a Top 100 Trial Lawyer by the National Trial Lawyers Association and a Top 10 Family Lawyer by the National Academy of Family Law Attorneys. She was also honored among the top 1% of attorneys by The National Association of Distinguished Counse...

Mark A. Grider is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Mark A., 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 Mark A. 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.

Erin L. Kopelman is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Erin L., who practices law in Bethesda, Maryland, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin L. is held by other top lawyers in the same geographic and legal practice area.

Stephanie J. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Stephanie J., who practices law in Fairfax, Virginia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie J. is held by other top lawyers in the same geographic and legal practice area.

Mark R. Rosman is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark R., 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 Mark R. is held by other top lawyers in the same geographic and legal practice area.

Mary S. Hodgins is a Partner in the firm’s International Trade practice. She has represented domestic and foreign corporations, state-owned enterprises and foreign governments in unfair trade disputes with the United States before the U.S. Department of Commerce, the U.S. International Trade Commission, the U.S. Court of International Trade and the U.S. Court of Appeals for the Federal Circuit. Ms. Hodgins has also advised U.S. importers with regard to a variety of issues relating to U....

Erin Girard is a real estate and land use lawyer with significant experience in securing approvals on a wide range of complex commercial, institutional and mixed-use projects. She represents and advises clients in all aspects of land use law, including regulatory permitting and licensing, from planning through post-construction. Her practice spans due diligence review, zoning entitlements, rezoning, variances, special exceptions / conditional uses, subdivision approvals, historic preservation...