top dog

• Expresión informal que designa a la persona más importante, influyente o exitosa dentro de un grupo u organización; también puede referirse al que manda o está en la cima.

An informal expression referring to the person who is the most important, powerful, or successful in a group or organization.

1. Leader or dominant personB2informal

   The person who is the most important, powerful, or successful in a group or organization.

   Persona dominante o líder

   • After years of hard work, she finally became the top dog in the company.
   • He's the top dog in the local political scene.
   • In the world of tech, that company is the undisputed top dog.