Final answer:
Cassie's role as a public relations spokesperson who has scheduled a meeting with stockholders for a dividend release is categorized under investor relations, which is part of strategic management responsibilities.
Step-by-step explanation:
Cassie, as the public relations spokesperson for a company, is involved in a managerial role that encompasses investor relations. Her task of organizing a meeting with stockholders to communicate details about an upcoming dividend release is crucial for maintaining transparent communication between the company and its investors. Investor relations are a strategic management responsibility that aligns with finance, communication, and marketing to enable the most effective two-way communication between a company, the financial community, and other constituencies, which ultimately contributes to a company's securities achieving fair valuation.