Walter E. Zalenski

Christopher S. Rizek is a Member in Caplin & Drysdale's Washington, D.C., office. He also serves as General Counsel to the firm. In 2014, he was listed in the elite "Leading Lawyer" list for Tax Controversy by The Legal 500 . Services Mr. Rizek represents taxpayers in all types of federal civil and criminal tax controversy matters. He also guides clients through IRS audits, prepares administrative claims and protests of IRS actions, and litigates tax and tax-related cases in U.S. district...

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...

John Parker Sweeney has more than 30 years of experience defending major class action and mass torts involving product liability and warranty, consumer protection, environmental, and toxic tort cases, allowing him to tailor an appropriate litigation response for any company to resolve "bet-the-company" risks. He regularly serves as national litigation counsel, creating and supervising comprehensive defense strategies in class action and mass tort cases across the country, most recently sweepi...

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

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

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

Catherine P. McCarthy is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Catherine P., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine P. is held by other top lawyers in the same geographic and legal practice area.

Kenneth M. Minesinger represents a wide range of clients in the natural gas, oil and electricity industries on regulatory issues, including energy regulatory proceedings before the Federal Energy Regulatory Commission (FERC), state regulatory commissions, and on related antitrust, litigation and transactional matters. Ken also spends a significant amount of time representing sovereigns in the development of their oil and gas resources. Ken has represented clients in commercial negotiations; c...

My colleagues and I opened Cooper Ginsberg Gray, PLLC with the goal of providing high-quality, effective, dedicated, and cost-effective representation to individuals going through family turmoil. Since 2004, we have worked to become a top family law firm in Northern Virginia. We have accomplished this by placing the needs and desires of our clients first. I am accessible, and will be by your side as you take each step through the legal process.My legal practice is dedicated to helping clients...

With a distinctive background and a rare competitive fire, David Roop has for more than a decade been one of Virginia's top family law attorneys. According to his peers, Roop is both a sophisticated thinker and a scrappy lawyer, a unique and useful mix for his contentious profession. David has a deeply strategic orientation along with a cheerful yet hard-driving disposition. David is a Baltimore native and graduate of Notre Dame University, Notre Dame, Indiana (BA, cum laude, 1985) and the Un...