Answer:
Psychopathic.
Step-by-step explanation:
Psychopathic is a mental disorder that is caused by a lack of empathy.
A person suffering from psychopathy is difficult to recognize because they appear normal and even charming. Such a person show traits of lack of empathy, violates other's rights, socially irresponsible, hurts others, unable to differentiate between right and wrong.
In the given case, Tom, who is president of a Fortune 500 company, shows no emotions of empathy after firing thousands of employees. He does not think that he had done wrong by doing this.
So, the traits that Tom has is of "psychopathic".