June 2024

Ellen Leonida Joins as Co-Chair of the Criminal Defense Practice Group

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We are thrilled to announce that Ellen Leonida has joined Sideman & Bancroft as Co-Chair of the Criminal Defense Practice Group, bringing her unparalleled expertise in white-collar criminal defense and complex commercial litigation to our firm.

With over two decades of litigation experience, Ellen Leonida is a seasoned trial lawyer who has first chaired more than 80 jury trials in state and federal courts. Her extensive background includes representing individual and corporate clients in a broad range of criminal and regulatory matters. She also handles complex civil litigation, including cases involving trade secret misappropriation and unfair business practices. Prior to joining Sideman & Bancroft, Ellen served as the head of the impact litigation and white-collar groups at a boutique litigation firm in San Francisco.

In her new role as Co-Chair of the Criminal Defense Practice Group, Ellen will work alongside Jay Weill, a distinguished attorney with decades of experience in civil and criminal tax controversy matters, white-collar defense, and complex commercial litigation. Jay’s tenure as Chief of the Tax Division at the U.S. Attorney’s Office in San Francisco, where he supervised criminal and civil tax cases, brings invaluable insights to our practice.

Together, Ellen and Jay will lead our firm’s efforts in providing comprehensive legal counsel to clients facing a wide array of criminal matters, from investigations to trials and appeals.

“We are thrilled to welcome Ellen to our team,” says Jay Weill. “Her extensive experience and track record of success in white-collar criminal defense will greatly enhance our ability to serve our clients effectively. I look forward to working alongside her as we continue to provide top-tier legal representation in the field of criminal defense.”

Please join us in welcoming Ellen Leonida to Sideman & Bancroft as Co-Chair of the Criminal Defense Practice Group.