Jonathan L. Diesenhaus

Kristen Klesh is a lawyer recognized by Best Lawyers in the practice area of Advertising Law. Kristen practices law in Washington, District of Columbia Best Lawyers has recognized Kristen Klesh since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kristen Klesh is held by other lawyers.

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, ...

Nancy P. Regelin uses her skills as a strategic thinker, communicator, and manager to implement the vision of land owners, developers, and creative consultants to create great places for us to live, work and play. One of her true strengths lies in the trust and relationships she builds with elected officials, staff, community leaders, professional consultants, and other attorneys that she can draw upon to creatively solve problems. In a recent assignment, Nancy was selected as outside local z...

Danielle Morris has 15 years of experience advising clients on all aspects of international arbitration. Her practice spans both private and public international law, with a focus on investor-State arbitration. She has worked on a range of commercial and investment arbitrations, both institutional and ad hoc, from the pre-dispute and notice of dispute stage through merits submissions and hearings through to set-aside and enforcement. She also assists clients with investment planning and advis...

Matt Perushek has practiced personal injury law his entire career. He exclusively represents plaintiffs, those who were injured because of the negligence of others. He has represented clients in wrongful death, medical malpractice, brain injury, products liability, and serious automobile collision cases. Matt has tried cases in courts throughout Virginia, including Fairfax, Arlington, Prince William, Loudoun, Henrico, and Fredericksburg. Matt also has experience representing clients in federa...

Thomas L. McCally is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Thomas L. practices law in Washington, District of Columbia Best Lawyers has recognized Thomas L. McCally since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas L. McCally is held by other lawyers.

Patrick W. Pearsall is a lawyer recognized by Best Lawyers in the practice areas of International Arbitration - Commercial and International Arbitration - Governmental. Patrick W. practices law in Washington, District of Columbia Best Lawyers has recognized Patrick W. Pearsall since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Patrick W. Pearsall i...

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...

Michael J. Goecke is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Litigation - Real Estate, Litigation - Trusts and Estates and Real Estate Law. Michael J. practices law in Bethesda, Maryland Best Lawyers has recognized Michael J. Goecke since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael J. Goecke is h...

John McKnight is a lawyer recognized by Best Lawyers in the practice area of Qui Tam Law. John practices law in Washington, District of Columbia Best Lawyers has recognized John McKnight since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John McKnight is held by other lawyers.