Glimlachend knappe Afro-Amerikaanse 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

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

Back view of listener raising hand during seminar in conference hall

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

Handsome african american speaker talking in front of audience conference hall

Handsome speaker talking during seminar in conference hall and pointing on screen

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

Handsome african american speaker talking during seminar in conference hall

Handsome business coach standing on stage and gesturing during training in hub

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

Back view of businessman rising hand to coach during training in hub

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

Back view of journalists with raised hands near happy bearded speaker

Happy speaker pointing with hand at journalist with raised hand

Pensive business trainer looking away in hub

Back view of journalists with raised hands near happy african american speaker gesturing near microphones