Michael Moiseyev

Jay R. Nanavati is an accomplished litigator, a former federal tax prosecutor, and a founding partner of Kostelanetz LLP's Washington, D.C., office. He has developed an enviable record of success in persuading the government to terminate investigations of his clients and in defeating the government in court. Mr. Nanavati maintains a nationwide practice, focusing on white-collar criminal defense with an emphasis on tax-related matters. He represents individuals and entities facing investigatio...

Hope Rosen's practice has consistently centered on child and family law issues. After receiving her law degree, Ms. Rosen worked as a staff attorney for the American Prosecutors Research Institute, focusing on issues of juvenile delinquency and child abuse. Ms. Rosen left the American Prosecutors Research Institute when she was appointed Special Counsel for the Division of Child Support Enforcement by the Attorney General of Virginia. After building her expertise in child support law, Ms. Ros...

Paul M. Hyman is a founding member of Hyman, Phelps & McNamara. Since opening the firm in 1980, he has led efforts to make it the premiere FDA law practice. He brings five decades of perspective to the regulatory priorities and policies of FDA and FTC. Mr. Hyman has advised clients on nearly every aspect of FDA regulation, ranging from premarket approvals, to labeling and post-market compliance, and has defended against enforcement actions such as warning letters, recalls, and court actio...

Kathleen A. Daley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Kathleen A., 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 Kathleen A. is held by other top lawyers in the same geographic and legal practice area.

Robert Moreiro is a top attorney recognized by Best Lawyers in the practice area(s) of Securities Regulation. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

A former DOJ cybercrime prosecutor and former director of PwC’s cyber forensics group, Kim delivers top of the line cyber risk management and information security counsel to her clients. As co-leader of our Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes Team, Kim is recognized by select publications and is frequently quoted by the media. Kim Peretti is co-leader of the Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes ...

Jeremy B. Root is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Jeremy B., who practices law in Fairfax, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeremy B. is held by other top lawyers in the same geographic and legal practice area.

Becki is a partner in the firm's Washington, DC office, where she chairs the Credit Reporting, Privacy, and Data Security Practice Group. Her practice focuses on consumer financial services and consumer protection matters. Becki counsels financial institutions, consumer reporting agencies, service providers, and others in complying with consumer financial laws and prohibitions against unfair, deceptive, or abusive trade practices. She is an experienced advocate and litigator, representing cli...

Kevin P. O’Brien is a partner in the firm’s Employee Benefits and Executive Compensation practice. His practice has concentrated in employee compensation and benefits for over 30 years. Kevin is widely known as a leader in a wide variety of subjects, including innovative defined benefit plan design, flexible benefits, ERISA fiduciary matters and executive compensation. Before joining the firm, Kevin worked in the Pension and Welfare Benefits Administration at the Labor Department ...

Making strategic decisions for the future can be challenging during a family crisis like divorce. Jonathan Dana, a compassionate and straightforward divorce attorney with more than 35 years of experience, helps clients navigate these difficult times to make educated, informed and optimal decisions for their circumstances. “I present clients with options, letting them know that my role is to guide, rather than tell them what to do,” says Jonathan. “It’s important that t...