Prior to joining Milliman, Cassie was a capital markets associate at Kirkland & Ellis LLP, where she advised public companies on corporate and securities matters, and issuers on public equity offerings, mergers, and acquisitions, and other transactions.

Prior to that, Cassie was an attorney in the Division of Enforcement at the United States Securities and Exchange Commission, where she managed investigations into violations of the federal securities laws and successfully brought actions for financial frauds in federal court.