David W. Bonser

Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 40 years of experience. Raised in Montgomery County, David always intended to practice law in his “home town”. He has been instrumental in maintaining Stein Sperling’s collegial, small-firm feel while helping its tax department grow into a regional powerhouse. David has a gift for putting himself in his clients’ shoes to g...

Ken Silverberg is an experienced tax attorney and former CPA-partner at Arthur Andersen & Co. He focuses on tax controversies, including tax audits, appeals and litigation against the IRS and state departments of taxation. He also represents numerous nonprofit organizations and NGOs in the health care, education and trade association sectors. What do you focus on? Tax Controversy Practice I help clients resolve their IRS and state tax problems as quickly and inexpensively as possible. Mos...

Louis Cohen is a senior counsel in the firm's Litigation/Controversy Department, and a member of the Appellate and Supreme Court Litigation Practice Group. He joined the firm in 1967. Mr. Cohen served as Deputy Solicitor General of the United States from 1986-1988, and focuses on US Supreme Court and other appellate litigation and corporations law. Mr. Cohen’s appellate practice has included more than fifty cases on the merits in the US Supreme Court and a large number of cases in the c...

Tom Davis is a lawyer recognized by Best Lawyers in the practice area of Government Relations Practice. Tom practices law in Washington, District of Columbia Best Lawyers has recognized Tom Davis since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tom Davis is held by other lawyers.

Rosa S. Jeong focuses her practice on all aspects of international trade laws, including trade remedy proceedings before the U.S. Department of Commerce, the U.S. International Trade Commission, federal courts, and the World Trade Organization (WTO). She has counseled and represented companies in antidumping and countervailing duty proceedings, and appeals of such cases in the U.S. Court of International Trade and the U.S. Court of Appeals for the Federal Circuit. Rosa has also represented U....

Louis Mazawey brings decades of experience as an authority on the tax aspects of employee benefits in all forms to his work at Groom. As counsel to major insurance companies and a variety of plan sponsors—including corporate employers, trade associations, and public retirement systems—Lou has worked closely with qualified plans, 403(b) and 457 plans, IRAs, employee stock ownership plans, executive compensation, retiree medical benefits, plan terminations, mergers and spinoffs, the...

Bob Scully is a Member based in the Alexandria office, where he is a member of the Business Litigation Service Group. His practice focuses on complex business tort, trusts and estates, construction, real property and intellectual property litigation. He has 35 years of trial experience in federal and state courts of Virginia, Maryland, and the District of Columbia.

Nicole is the leader of Sullivan's Investment Management Group and Chair of its Corporate Governance & Board Advisory Practice. Nicole also serves as Co-Chair of the firm's Lateral Partner Hiring Committee. Nicole’s practice focuses on the representation of boards and board committees, including independent directors, as well as a broad spectrum of financial services and other companies, such as investment companies (open-end, closed-end, BDCs and ETFs), investment advisers and brok...

Drawing on years of experience at the EPA as acting general counsel and principal deputy general counsel, Kevin advocates and delivers results on behalf of his clients. His guidance in complex matters related to clean air, climate, clean water, pesticides, potentially toxic substances, and hazardous materials proves invaluable to clients attempting to navigate government agencies and regulations. Kevin Minoli leads Alston & Bird’s Environment, Land Use & Natural Resources Washin...

Christopher W. Schinstock is a lawyer recognized by Best Lawyers in the practice areas of Family Law, Family Law Arbitration and Family Law Mediation. Christopher W. practices law in Alexandria, Virginia Best Lawyers has recognized Christopher W. Schinstock since 2010. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christopher W. Schinstock is held by othe...