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Can Your Boss Be a Psychopath? Scientist Explains How to Identify the “Dark Leader” Who Causes Exhaustion, Conflicts, and Can Ruin Your Work Life

Published on 22/02/2026 at 19:28
Pesquisa explica como identificar chefe com traços sombrios e alerta para impactos como exaustão e práticas abusivas no trabalho.
Pesquisa explica como identificar chefe com traços sombrios e alerta para impactos como exaustão e práticas abusivas no trabalho.
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Study Conducted By Professor From The University Of Zaragoza Describes Traits Of Psychopathy, Narcissism, Machiavellianism And Sadism In Corporate Environments, Details Behavioral Signs That Help To Identify A Boss With Dark Profile And Points To Impacts Such As Emotional Exhaustion, Interpersonal Conflicts, Performance Decline And Risk Of Abusive Practices In Teams

A scientist revealed how to identify if your boss may exhibit dark personality traits such as psychopathy, narcissism, machiavellianism, or sadism, and explained the impacts of these profiles in the workplace, including emotional exhaustion, interpersonal conflicts, and abusive practices.

Professor Elena Fernández-del-Río, from the University of Zaragoza in Spain, presented an overview of dark personality traits in the International Encyclopedia of Business Management. In the article, she detailed the characteristics of each profile and their effects on employees.

According to the researcher, the “dark side” of human personality refers to a predisposition to ethically, morally, and socially questionable behaviors. Each characteristic is marked by unique traits that influence how leaders interact with subordinates.

How To Identify A Boss With Dark Personality Traits

According to Fernández-del-Río, leaders with dark traits may exhibit insensitivity, manipulation, excessive demands, authoritarianism, excessive self-sufficiency, distance, criticism, arrogance, or an exaggerated desire to please.

These behaviors, she stated, can generate significant interpersonal conflicts in the long run. The presence of a hidden leader with these characteristics can directly affect the organizational climate and relationships among teams.

The professor explained that each trait presents specific manifestations. Psychopathy is defined by a lack of self-control, emotional coldness, erratic lifestyle, absence of guilt and remorse, and antisocial behavior.

Psychopathy, Narcissism, Machiavellianism And Sadism In The Workplace

In narcissism, excessive self-love, grandiosity, arrogance, inflated sense of importance, and constant need for admiration prevail. These individuals tend to be motivated by ego.

Machiavellianism, on the other hand, involves competitiveness, cynical worldview, strategic manipulation, insensitivity, and focus on building and maintaining a positive reputation. Sadism is characterized by pleasure in cruelty, humiliation of others, and aggressive or intimidating behaviors.

The researcher emphasized that a boss with these traits can influence the attitudes and behaviors of employees at lower hierarchical levels, directly impacting collective performance.

Impacts Associated With Each Boss Profile

An earlier study cited in the article indicated that Machiavellian leaders are associated with greater emotional exhaustion among employees and lower satisfaction with promotions. Meanwhile, bosses with higher psychopathy scores tend to have teams with lower job satisfaction.

Poorer team performance and lower group cohesion were also observed.

Some studies confirmed the relationship between dark personality and abusive practices by supervisors, especially when they have Machiavellian or psychopathic traits.

In the case of psychopaths and sadists in positions of authority, the author warned that caution is needed. These profiles can pose risks when exerting direct power over others.

Difficulties Of Detection And Organizational Measures

Fernández-del-Río stated that these tendencies can be extremely difficult to detect in interviews or questionnaires. Pretending to be seen favorably is common among candidates with dark personality traits.

In light of this, she considers it essential for organizations to send a clear message that abusive behaviors will not be tolerated. She also recommended that potential victims be encouraged to report abuses, with assurances of anonymity and protection against retaliation.

The author emphasized that some characteristics of these profiles may be seen as positive in the short term, especially in highly competitive contexts, with high risk or limited social interactions.

However, in organizations that require constant interaction and long-term work, dark personalities can become obstacles to organizational goals. Traits like self-confidence, present in some narcissists, may initially attract followers.

Over time, however, these individuals may reveal hostile and antagonistic behaviors that are no longer well-received by the group. The researcher concluded that understanding these traits is essential to mitigate negative impacts in the work environment.

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Fabio Lucas Carvalho

Jornalista especializado em uma ampla variedade de temas, como carros, tecnologia, política, indústria naval, geopolítica, energia renovável e economia. Atuo desde 2015 com publicações de destaque em grandes portais de notícias. Minha formação em Gestão em Tecnologia da Informação pela Faculdade de Petrolina (Facape) agrega uma perspectiva técnica única às minhas análises e reportagens. Com mais de 10 mil artigos publicados em veículos de renome, busco sempre trazer informações detalhadas e percepções relevantes para o leitor.

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