A longtime resident of New York City, Dorianne Van Dyke attended NYU and New York Law School. While working toward her juris doctor, Dorianne Van Dyke began working in the legal department at Newsweek Magazine assisting with various intellectual property issues such as licensing, clearance, fair use, and general usage remained with Newsweek for two years following law school before accepting an advisory position with the Media Law Resource Center ("MLRC"), a nonprofit that fights for the First Amendment rights of content creators and media organizations.

After four years with MLRC, Dorianne entered the private sector, serving as the general counsel of the automotive-themed apparel and accessory company Blipshift. Dorianne also also represented a number of Fortune 100 companies while at Axiom Law including Johnson & Johnson and MetLife. Since June 2020, Ms. Van Dyke has worked within the legal department at Deutsche Bank.