Karla Grossenbacher

Daniel P. Lyon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Daniel P., who practices law in Leesburg, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

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.

Bob Symon practices in the areas of construction and government contract law. Clients routinely seek out Bob’s advice to assist in such matters as protesting procurement results, interpreting the Federal Acquisition Regulation (FAR), prosecuting claims under the Contract Disputes Act (CDA) or insuring compliance with ethical obligation to name just a few. Bob has enjoyed considerable success prosecuting and defending bid protests at the Government Accountability Office (GAO) and the Uni...

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

Sean P. Kelly has practiced exclusively in the area of family law and divorce for his entire career as a lawyer, which began in 1994. Having "grown up" in the field, Sean has extensive litigation experience and a significant knowledge and understanding of the law. One benefit of his years of litigation experience is that it affords a seasoned trial lawyer like Sean many more opportunities to achieve fair and equitable settlements for his clients. His substantial trial experience, coupled with...

Peter E. Ciferri is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Peter E., who practices law in Potomac, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter E. is held by other top lawyers in the same geographic and legal practice area.

Margaret is one of the four founding partners of Rock Creek Energy Group. She has over 18 years of experience counseling and representing a broad swath of electric industry participants on a wide range of federal energy regulatory and administrative litigation matters. She provides strategic counsel to investor-owned utilities, renewable and conventional generators, private equity and institutional investors, developers, and renewable energy providers on transactional, regulatory, and litigat...

Rick Fischer’s practice focuses on retail financial services, privacy, and data security. For over 40 years, he has advised banks, retailers, insurers, technology and other companies throughout the United States on the full range of financial services and payment system issues. His practice has a special emphasis on privacy, data security, e-commerce, technology, and financial services joint ventures, as well as compliance and enforcement matters involving the Consumer Financial Protect...

Caroline P. Mayhew is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Caroline P., 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 Caroline P. is held by other top lawyers in the same geographic and legal practice area.

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...