Nathaniel E. Castellano

Luisella P. (“Sella”) Perri Wilke concentrates her practice on federal tax laws and regulations related to tax-exempt financings. She has served as bond counsel for a wide variety of public finance transactions, including the issuance of tax-exempt, fixed and variable rate bonds, advance and current refundings, leases and installment purchase agreements. She advises clients on issues related to private use, reissuances, exempt facility qualification and financing, arbitrage, and c...

Kirk Niemi is an experienced construction industry attorney who focuses his practice on construction litigation, government contracts, surety, and associated contract issues. He represents owners, general contractors, subcontractors, sureties and government agencies including highway departments and municipalities. He has extensive experience in complex matters before courts, arbitrators and mediators regarding various construction issues including mechanics' liens, acceleration claims, chang...

Michael J. Murphy 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 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 Michael J. is held by other top lawyers in the same geographic and legal practice area.

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

Larry Bard is a highly regarded business attorney whose clients depend on his guidance in corporate finance and securities law matters, including public and private offerings, venture capital transactions and other financing transactions. He advises companies on issues of corporate governance, business planning, securities law compliance, executive compensation, commercial contracts and complex joint ventures. Larry has completed several initial public offerings for companies in the mid-Atlan...

Since joining Regan Zambri Long in 2013, attorney Chris Regan has served as a creative and dedicated advocate for injured clients. In that time, he has built a strong track record of outstanding results for his clients, including numerous seven- and eight-figure verdicts and settlements. He has successfully handled cases involving car crashes (including the leading local case on Uber’s and Lyft’s responsibility when their drivers are at fault), defectively unsafe product design, M...

Victoria Lauterbach is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Victoria, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Victoria is held by other top lawyers in the same geographic and legal practice area.

Christopher B. Mead is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Criminal Defense: White-Collar. Christopher B., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher B. is held by other top lawyers in the same geographic and legal practice area.

Hugh focuses his practice on business and intellectual property litigation. His business litigation practice focuses on complex financial transactions and commercial disputes across multiple sectors. His intellectual property litigation practice includes patent, trademark, copyright, and trade secret litigation in diverse technological areas across many industries. Hugh has more than two decades of experience utilizing his considerable knowledge to counsel clients in a wide variety of industr...

John T. Bergin is a top attorney recognized by Best Lawyers in the practice area(s) of Mediation. John T., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John T. is held by other top lawyers in the same geographic and legal practice area.