Answer:
The management function used by the founder in his speech is leading.
Explanation:
There are four management functions to help a business or an institution reach their goals. They are planning, organizing, leading, and controlling. As the name suggests, planning refers to determining the courses of action, deciding on a plan that will guide employees toward the goals. Organizing refers to coordinating activities and resources - including human resources. Leading refers to the interpersonal side of management, concerning motivation, communication, direction. Finally, controlling refers to monitoring and evaluating activities and their results, which allows for corrections and improvements.
As we can see, the function used by the founder in the speech was leading. He is communicating with his employees, motivating them to keep up the good job by complimenting them, and also urging them to find the cure for pediatric diabetes.