John T. Bergin

Mr. McGonigle focuses his practice on securities and investment regulation. His clients include broker/dealers, investment advisers, public companies, banks and individuals. He has experience in matters involving equity, fixed income, and derivative trading; broker/dealer and investment adviser compliance system design and review; fiduciary investment issues; regulatory registration issues; transactional disclosure issues; regulatory enforcement and grand jury representation; and litigation i...

Justin C. Pierce is a lawyer recognized by Best Lawyers in the practice area of International Trade and Finance Law. Justin C. practices law in Washington, District of Columbia Best Lawyers has recognized Justin C. Pierce since 2027. 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 Justin C. Pierce is held by other lawyers.

Phillip Hummel represents developers, property owners, nonprofits (including hospitals, museums, and religious organizations), and senior living facilities on zoning, planning, entitlements, permitting, historic preservation, development impact taxation, and other land use matters across several Maryland jurisdictions. He counsels clients from due diligence through permitting, regularly appears before municipal, county, and state agencies, and brings significant litigation experience to Maryl...

Richard T. Collins is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Richard T. practices law in Washington, District of Columbia Best Lawyers has recognized Richard T. Collins since 2021. 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 Richard T. Collins is held by other lawyers.

Marcus Owens represents a broad range of nonprofit organizations, including private foundations, charities, lobbying/political organizations and trade associations. The context has ranged from tax planning, the process of formation and application for exemption, through IRS and state attorney general investigations, including complex audits by IRS Exempt Organizations Financial Investigative Units. Marcus’ focus includes executive compensation, excess benefit and self-dealing excise tax...

Sheila Millar leads Keller and Heckman’s consumer protection regulatory practices and brings deep experience to a range of public policy and regulatory matters, including advertising and promotions, sustainability and environmental claims, connected products, privacy, cybersecurity, and product safety. She counsels United States (U.S.) and international businesses on compliance questions and processes, represents them in regulatory enforcement matters, and advocates on their behalf befo...

Mary S. Hodgins is a Partner in the firm’s International Trade practice. She has represented domestic and foreign corporations, state-owned enterprises and foreign governments in unfair trade disputes with the United States before the U.S. Department of Commerce, the U.S. International Trade Commission, the U.S. Court of International Trade and the U.S. Court of Appeals for the Federal Circuit. Ms. Hodgins has also advised U.S. importers with regard to a variety of issues relating to U....

Sean Howley brings first-hand construction industry experience to his legal practice, having managed and worked on multi-million dollar public works projects in New York City and the surrounding area. After earning a Bachelor of Science in Civil Engineering from the University of Notre Dame, he worked as a Project Engineer and Project Manager for a heavy construction contractor. He later earned his Juris Doctor from St. John’s University School of Law and has since devoted his practice ...

Will Planert is a Partner in the firm’s International Trade practice. He concentrates on representing multilateral and foreign-based corporations in a wide variety of international trade disputes, including antidumping and countervailing duty investigations, Section 201 (safeguards) cases, anticircumvention investigations, and customs compliance matters. Mr. Planert appears regularly before the U.S. Department of Commerce, the U.S. International Trade Commission, and the U.S. Bureau of ...

Jiayan Chen is deeply experienced in the regulatory, transactional and strategic issues that arise when leveraging health information, biospecimens and technology to drive healthcare innovation and quality. She guides stakeholders on privacy compliance and research compliance and in the context of strategic initiatives and collaborations as they seek to harness the power of data, machine learning, DNA sequencing and technologies to develop and deploy new products and solutions and address cha...