der Hauptverantwortliche
Translation
person chiefly responsible, main person in charge
Examples
Er ist der Hauptverantwortliche für das Projekt.
He is the person chiefly responsible for the project.
Grammar Patterns
Hauptverantwortlicher für+4 the person responsible for ((sth.)) He is the person responsible for the mistake.
Similar Words
Leiter (leader), Projektleiter (project manager)
Etymology
From 'Haupt-' (main, chief) + 'verantwortlich' (responsible). Literally, the 'main responsible one'.
Memory Tips
Think of the 'head' (Haupt) person who is 'responsible' (verantwortlich).