Dominic DeMatties

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

Rebecca Geller is an award-winning attorney, a philanthropist, a trailblazer, and a passionate advocate for equality and human rights. Rebecca is also a devoted wife, mom to three young kids + a dog, and community leader. While working as a corporate lawyer for an AmLaw 100 firm, Rebecca witnessed brilliant women fleeing the profession because big law firm partners showed disregard for attorneys’ lives outside the firm. As the mother of a baby and toddler at the time, Rebecca knew there...

Michael Kreps is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Michael, 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 Michael 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.

Harry L. Gutman is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice and Tax Law. Harry L., who practices law in Washington, District of Columbia, has been recognized since 1997. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harry L. is held by other top lawyers in the same geographic and legal practice area.

Wm. Quinton Robinson is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Corporate Compliance Law and Corporate Law. Wm. Quinton, who practices law in Fairfax, Virginia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wm. Quinton is held by other top lawyers in the same geographic and ...

Ms. Javitt provides strategic FDA regulatory advice for leading medical device, diagnostics, pharmaceutical, biological products, and human cellular, and tissue-based products (HCT/Ps) throughout the product life cycle and has successfully resolved disputes at both the pre- and post-market stage. She also has significant experience advising clinical laboratories on FDA and CLIA requirements for laboratory developed tests. Ms. Javitt’s experience prior to joining Hyman, Phelps & McNa...

Daniel Volchok's practice focuses on appellate litigation involving various areas of federal and state law, including arbitration, bankruptcy, civil rights, contracts, criminal law, due process, free speech, intellectual property, military law, Native American issues, preemption and tax. Mr. Volchok has filed numerous merits and amicus briefs in the US Supreme Court as well as state and federal appellate courts, and also participated in successful efforts to obtain or oppose certiorari.

Stephanie S. Lim represents independent power producers, power marketers, trade associations, and others in a wide variety of regulatory matters before the Federal Energy Regulatory Commission (FERC), courts of appeal and state public utility commissions. She counsels clients on the structure of electricity markets and the design of capacity markets. Stephanie also represents private equity clients and power producers on transactional matters, including mergers and acquisitions. Read full bio...

Mark S. Popofsky is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark S., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark S. is held by other top lawyers in the same geographic and legal practice area.