During law school, Allison interned for the Honorable Barry Ostrager in the Commercial Division of the New York State Supreme Court, New York County, where she gained real-world courtroom experience researching legal issues and drafting legal opinions. In the U.S. Attorney's Office for the Eastern District of New York, she further honed her research and writing skills. She also served as editor-in-chief of the Brooklyn Law Review and was a participant and coach in Brooklyn Law School's Moot Court Honor Society.
Prior to law school, Allison worked as a paralegal on cases in high-profile business litigation matters and as a leasing assistant on commercial development contracts.