Jeremy J. Calsyn

Jeffrey R. Holmstead is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Jeffrey R., who practices law in Washington, District of Columbia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey R. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Gardner is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. Michael J., who practices law in McLean, Virginia, has been recognized since 2003. 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.

Gregory McGillivary is the managing partner of McGillivary Steele Elkin LLP. He has over 30 years of experience litigating, arbitrating, settling, and most importantly, winning multi-million-dollar cases on behalf of unions and individual workers who have been wrongly denied pay and benefits. He has represented tens of thousands of workers in a multitude of industries in both the public and private sector through all levels of the judiciary system and in arbitration. In addition to litigation...

RJ Hamilton is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. RJ, 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 RJ is held by other top lawyers in the same geographic and legal practice area.

Kevin M. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Kevin M., 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 Kevin M. is held by other top lawyers in the same geographic and legal practice area.

Aaron M. Oser is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Aaron M., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron M. is held by other top lawyers in the same geographic and legal practice area.

Julia is one of the four founding partners of Rock Creek Energy Group. Julia has focused her practice primarily on hydroelectric and electric power matters since 2003. She provides strategic counsel to a broad variety of electric industry participants, including independent power producers, power marketers, investor-owned utilities, and state and municipal entities. She advises clients on issues involving the Federal Power Act (FPA), National Environmental Policy Act, Endangered Species Act, ...

Jay E. Silberg is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Jay E., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jay E. is held by other top lawyers in the same geographic and legal practice area.

Cathy Burgess leads the firm’s FDA Compliance and Enforcement Team and FDA practice. FDA-regulated entities benefit from Cathy's common-sense advice for achieving business objectives that avoid compliance and enforcement risks. With more than 30 years of extensive experience in the areas of CGMP regulation and product risk management, she provides strategic counseling and works with clients to identify and address potential risks throughout the product life cycle. Cathy advises clients ...

R. Peyton Mahaffey is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Personal Injury Litigation - Plaintiffs. R. Peyton, who practices law in Fairfax, Virginia, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Peyton is held by other top lawyers in the same geographic and legal practice area.