Heidi is an experienced attorney, legal-writing teacher, and writer. She is a Lecturer-in-Law at Columbia Law School, where she teaches legal writing as part of the required Legal Practice Workshop. She also works as a Managing Editor at Wordsworth Publishing, writing and editing legal publications including American Jurisprudence, American Law Reports, and American Law of Torts.

Heidi practiced law at Cleary Gottlieb Steen & Hamilton in New York, where she focused on securities law and international law. She left private practice to serve in the federal government as an analyst and liaison to the FBI