Daniel A. "Dan" Mullen

Natalia C. Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Natalia C., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Natalia C. is held by other top lawyers in the same geographic and legal practice area.

Arianna Evers is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Arianna, 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 Arianna is held by other top lawyers in the same geographic and legal practice area.

Jason A. Ross is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Jason A., who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason A. is held by other top lawyers in the same geographic and legal practice area.

S. Libby Henninger is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. S. Libby, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S. Libby is held by other top lawyers in the same geographic and legal practice area.

Beth Mcintosh Irving 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 and Real Estate Law. Beth, who practices law in Rockville, Maryland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Beth is held by other top lawyers in the same geographic and legal practice area.

Leslie J. Schneider is a partner in Ivins, Phillips & Barker's Washington office. His practice concentrates in accounting methods, the timing of revenue and expenses, the valuation of inventories, and capital v. expense issues. Mr. Schneider is most often recognized for his three-volume treatise, Federal Income Taxation of Inventories, published by Matthew-Bender. Mr. Schneider has developed a reputation as the premier attorney in the United States in the field of tax accounting and inven...

Jason Zuckerman litigates whistleblower retaliation , qui tam , wrongful discharge, discrimination, non-compete, and other employment-related claims, and authors the Whistleblower Protection Law Blog . His broad experience includes practicing employment law at a national law firm, serving as a Principal at The Employment Law Group, and serving as Senior Legal Advisor to the Special Counsel at the U.S. Office of Special Counsel , the federal agency charged with protecting whistleblowers in the...

Ellen K. Harrison advises clients on a broad range of tax issues, including estate planning and administration, tax controversies, and income, gift and estate tax planning for individuals, businesses and charitable organizations. She has significant experience drafting wills, trusts, powers of attorney, prenuptial arrangements and buy-sell agreements, as well as a broad range of corporate documents and family partnership agreements. Her tax controversy and litigation experience includes Inter...

Sara W. Koblitz advises FDA-regulated clients on a range of issues with a particular focus on Hatch-Waxman patent and exclusivity, biosimilars, and the Orange Book. She helps drug and device manufacturers in various stages of product development and guides clients through the applicable regulatory requirements with respect to applications and submissions, device classification, potential exclusivities, promotional issues, and post-marketing requirements. Ms. Koblitz also counsels cosmetics, f...

Clients turn to David Kochanski when they require practical and cutting edge approaches to efficiently and economically achieve their business objectives. Clients hire him for their complex real estate transactions because he is not only a recognized leader within the field, but also because he is not afraid to make unconventional suggestions that he can back up with solid legal and business rationale. David’s clients trust his judgment and have confidence in his advice. David’s a...