Geschäftsmann schaut auf Redner im Kongresszentrum - Stockfoto & -bild

Business people attending seminar at convention center

Businessman pointing while speaking through microphone during seminar in convention center

Business people applauding for public speaker during seminar at convention center

Business man speaking at presentation in microphone in office

Business people applauding during seminar

Business people working in office with strong lens flare in background

Rear view of businesswoman raising hand during seminar

Businessman giving a lecture at a business convention

Attractive business woman doing a key note speech at a convention conference and receiving alot of praise and respect from her audience

Attractive business woman doing a key note speech at a convention conference and receiving alot of praise and respect from her audience

Businessman giving a lecture at a business convention

Mature businessman explaining strategy to colleagues at office during meeting

Businesswoman explaining strategy to colleagues during meeting at office