Knappe spreker te praten tijdens een seminar in Congreshal en wijzen op scherm - Stockfoto’s en -afbeeldingen

Smiling african american lecturer talking to audience during seminar in conference hall and pointing on screen

High angle view speaker sitting on stage during seminar in conference hall and talking to multicultural audience

African american lecturer talking to audience and gesturing during seminar in conference hall

Smiling african american lecturer talking to audience during seminar in conference hall

Back view of listener raising hand during seminar in conference hall

Selective focus of african american lecturer talking to audience during seminar in conference hall

High angle view speaker sitting on stage during seminar in conference hall

Happy speaker pointing with hand at journalist with raised hand

Happy speaker looking at african american businessman talking and gesturing near journalists

Handsome business coach pointing on board with pointer stick during training in hub

Back view of journalists with raised hands near happy bearded speaker

Back view of businesspeople sitting on chairs during training in hub

Back view of businesspeople sitting on chairs at training in hub

Back view of journalists near handsome african american speaker talking in microphones

Rear view of businesspeople sitting on chairs during training in hub