Final answer:
Social Media Presence is not considered a component of mature professional infrastructure as per Ford and Gibbs, whereas Financial Stability, Organizational Efficiency, and Leadership Development are crucial elements.
Step-by-step explanation:
Among the options provided, C. Social Media Presence is not a component of a mature professional infrastructure as identified by Ford and Gibbs. Ford and Gibbs have suggested that components like Financial Stability, Organizational Efficiency, and Leadership Development are indispensable parts of a well-established professional infrastructure. While social media can be a helpful tool for promoting and managing an organization's public image, it is not typically considered as a foundational element like the other components.