Anna B. Bristle

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...

David W. Bowker is the partner-in-charge of the firm’s Washington DC office and chair of the International Litigation practice. He is a nationally renowned litigator with nearly 25 years’ experience representing corporate clients, nonprofits, museums, universities, individuals, international organizations, governments, and government officials in a wide range of high-stakes commercial and governmental disputes before the US Supreme Court, US Courts of Appeals, US District Courts, ...

David P. Wales is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. David P., who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David P. is held by other top lawyers in the same geographic and legal practice area.

Diara M. Holmes serves as co-chair of the firm's Tax-Exempt Organizations Practice. She counsels tax-exempt organizations, including large public charities; colleges, universities and other higher education organizations; foreign charities and their U.S. affiliates; associations; government instrumentalities; social welfare organizations; and religious organizations on a broad range of tax compliance and governance issues. She advises nonprofit and for-profit organizations on structuring a va...

Colin J. Smith is a partner in Holland & Knight's Northern Virginia office and a member of the firm's Real Estate Section. Mr. Smith focuses his practice primarily on sophisticated commercial real estate transactions, including development, sales and acquisitions, financings, and leasing. Mr. Smith has extensive knowledge and experience with the leasing and operation of parking facilities; he served as outside counsel to a large national parking management company. His clients include lan...

James P. Durling is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. James P., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

James R. Hammerschmidt is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Employment Law - Management and Litigation - Labor and Employment. James R., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

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...

Caitlin Orr is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Caitlin, 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 Caitlin is held by other top lawyers in the same geographic and legal practice area.

Catherine Little counsels clients on energy-related environmental and administrative law at all levels of federal, state and local government, with particular emphasis on regulatory compliance, enforcement defense and administrative adjudication under the Pipeline Safety Act, Clean Water Act (including wetlands) and the Oil Pollution Act. Catherine regularly advises clients with respect to pipeline safety regulatory compliance issues, permitting, spill and release reporting, as well as natura...