Susan M. Wyckoff

Steven A. Sigsbury specializes in tax and estate planning, estate and trust administration, fiduciary responsibility, and business and real estate planning. Steven’s laid-back personality allows him to relate to clients and instill a sense of trustworthiness at the outset of any engagement. Steven analyzes and simplifies complex problems and offers clients individualized solutions. As a tax and estate planner, Steven works with clients to develop tax-efficient estate plans that accompli...

Ken Silverberg is an experienced tax attorney and former CPA-partner at Arthur Andersen & Co. He focuses on tax controversies, including tax audits, appeals and litigation against the IRS and state departments of taxation. He also represents numerous nonprofit organizations and NGOs in the health care, education and trade association sectors. What do you focus on? Tax Controversy Practice I help clients resolve their IRS and state tax problems as quickly and inexpensively as possible. Mos...

Brian Burgess is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Brian, who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Jeffrey B. Stern serves as co-leader of the Firm's Global Hospitality, Resort and Timeshare Team. He concentrates his practice in the areas of real estate development, timeshare and hospitality with an emphasis on the resort development and finance industries. His clients consist of a wide variety of owners, developers, lenders, financial institutions, and marketing and management companies, ranging in size from entrepreneurial ventures to Fortune 100 corporations in connection with the follo...

Amanda Gilbert represents clients in all aspects of family law, including separation, divorce, child custody, adoption, and assisted reproductive technology. She combines her legal knowledge and experience with a solution-oriented approach to address complex family matters. Known for her empathy, patience, calm demeanor, and common-sense perspective, Amanda provides both strategic guidance and compassionate support during challenging family transitions. A trained mediator and Collaborative pr...

Michael Whalen is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Matthew W. Morrison is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Matthew W., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew W. is held by other top lawyers in the same geographic and legal practice area.

Sanford K. Ain is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Real Estate Law. Sanford K., who practices law in Washington, District of Columbia, has been recognized since 1983. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sanford K. is held by other top lawyers in the same geographic and legal practice area.

John E. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. John E., 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 E. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey N. Gibbs joined Hyman, Phelps & McNamara in 1990. Over the course of his career, he has developed an extensive knowledge of FDA law, from product approvals to advertising and promotion, and enforcement actions. In recent years, Mr. Gibbs has focused primarily on advising medical device and IVD companies, as well as pharmacies. Based on his extensive experience working with the industry on FDA issues, and previously for FDA, he provides efficient and insightful guidance. He has wor...