Answer: The person in charge of managing the reputation of a brand is called the Manager.
Explanation: Brand Manager manage all the activities of brand. He guide all the juniors of company , make the stretegy for wellfare of brand and maintain the reputation of brand.
Brand manager is responsible for every loss or good in the company.
Every action has an equal and opposite reaction. I would assume that the energy in the other direction would be an action.. though I'm not entirely sure. I hope it helps.