Dorianne Van Dyke


A New York City-based attorney, Dorianne Van Dyke has provided counsel to the legal teams and leadership of several Fortune 100 companies concerning the full range of corporate functions. As counsel to Two Sigma Investments, LP, she supports the Procurement and Data Strategy/Data Privacy groups. To that end, Dorianne Van Dyke negotiates and drafts complex commercial agreements that encompass data licensing terms, the scope of professional services, and master services.

Previously, Ms. Van Dyke worked with the American Express Company as a commercial contracts counsel. At Amex, she ensured the automation team had legal support in its efforts to integrate third-party payment platforms aimed at satisfying commercial customers’ needs. Earlier in her career, she also provided counsel on commercial contracts to MetLife, Inc., and Johnson & Johnson.

After receiving her B.A. at New York University, Dorianne Van Dyke earned her JD from New York Law School. In her free time, she enjoys documentaries and historical fiction and, whenever possible, exercises her passion for creative writing.