The risk is on the other side that the person is not capable of the new assigned task and could be easily frustrated. It is important that Samantha Park herself identifies what projects are the most important ones and maybe take responsibility over them by her self. Moreover if she might be not capable of doing so, that she might assign priorities to the projects so what is urgent and needs to be done and what kind if customers are important.
If Samantha Park is too much involved employees can feel that the authority as interfering with their own creative process. As a form of counteract Samantha Park can involve the subordinates in the delegation process and try to identify the level of discretion they can handle and make sure they understand the tasks. Moreover the employees should understand the importance of the task and held responsible for their tasks. Also she should overlook their development over time and get an overview whether the employees are ready for a task of high importance.
The overall responsibility over the tasks has Samantha Park so she have definitely the right to control the projects assigned to her subordinates and to make sure everything is operating in the interest of her and thus the interest of the company. Being informed and participate in the projects tend to control and a closer working environment of Samantha Park and their team. Overall delegation is necessary at the case at hand, because she would not be capable to deal with all tasks at the time. Nevertheless there are specific tasks in an organization the owner or the CEO should not delegate to others.
There is the overall vision of the company so the overall goal so to say. This important task should not be delegated to another employee. The CEO should be in charge of the delegation process so direct the inside work of the company to meet the outside. Moreover control and oversight the other top-management and held them responsible. In the case of Samantha Sparks, I would recommend managing the important new task by herself and the more routine tasks should be delegated to trusty employees.