johtaja

noun
  1. A person who leads or is in charge of a group, organization, or country. noun
    The company's new johtaja has implemented several innovative strategies.
    As the johtaja of the team, she was responsible for coordinating all the projects.
  2. A person who directs or guides others in a particular field or activity. noun
    The orchestra's johtaja was praised for his exceptional conducting skills.
    She was appointed as the johtaja of the research department due to her expertise.