Kevin P. Holewinski

Nicholas Woodfield is a principal at The Employment Law Group® law firm and is the firm’s general counsel. He is a seasoned trial attorney specializing in civil litigation and appellate advocacy and focuses his practice on whistleblower claims, wage non-payment and misclassification claims under the Fair Labor Standards Act (FLSA), discrimination and retaliation cases, and qui tam actions. Washingtonian Magazine has named him to its “Top Lawyers” list for his representat...

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

Tanja H. Castro co-founded CastroHaase PLLC in 2012. She is included in the 2013, 2014, 2015 and 2016 editions of Washington, DC & Baltimore’s Best Lawyers. Her practice is focused in the areas of commercial real estate valuation and taxation issues, including property tax assessment appeals. She advises clients on minimizing their real estate tax obligations. Ms. Castro is experienced in reviewing, analyzing and obtaining reductions in the assessments of all types of commercial pro...

Dan Kraftson is a construction law attorney with Kraftson Caudle in McLean, Virginia. His practice focuses on Construction Law and Litigation – Construction, with an emphasis on complex construction contract disputes. Dan assists clients with the preparation, negotiation, and litigation of claims involving additional time and compensation under fixed-price, cost-reimbursable, and other construction contract structures. His work also includes claim analysis under both government and priv...

Matthew J. Yao, Esq. is an attorney and owner of Yao Law Firm, P.C. His practice is focused primarily on Estate Planning and Probate matters. Mr. Yao is an attorney that likes numbers, which is an unusual combination that has made him a highly sought-after administrator of Trusts, Estates, and Conservatorships. Dedicated to providing excellent service to his clients, Mr. Yao has received recognition and awards from SuperLawyers, BestLawyers, and Virginia Business LegalElite, among others. His...

Jeffrey L. Steiner is a top attorney recognized by Best Lawyers in the practice area(s) of Derivatives and Futures Law. Jeffrey L., 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 Jeffrey L. is held by other top lawyers in the same geographic and legal practice area.

Employers faced with complex employment and employee benefit claims count on Emily Seymour Costin to resolve disputes at the beginning stages with maximum efficiency. In addition to managing active cases, she advises clients on proven strategies to avoid future litigation. Emily leads the firm’s ERISA Litigation practice. She regularly represents employers, plan sponsors, insurers, and fiduciaries in litigation over benefits and fiduciary matters under ERISA, including those involving i...

After graduating from Penn State and receiving her law degree, with honors, from George Mason University School of Law, Karin Riley Porter has had years of experience in the law in a wide range of cases, including DUIs and violent felonies. Before launching Karin Riley Porter Attorney at Law, Ms. Porter served as prosecutor, ultimately providing her with a different perspective of the legal system which she can use when building a defense. Ms. Porter’s extensive knowledge and training i...

Michael J. Neary is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Michael J., who practices law in Bethesda, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Mark Palchick has served clients in the communications field since 1975, particularly in matters relating to cable television regulation, international copyright, negotiations of program affiliation agreements, E-rate funding, interconnection agreements between private carriers, and other FCC regulatory matters. Mark represents competitive telecommunications providers and cable television operators in the Caribbean, cable television group owners, E-rate vendors, and local school districts. He...