Afrikkalainen amerikkalainen osallistuja nostaa kätensä, luennoitsija puhuu yleisölle esittelyn aikana konferenssisalissa - Kuvapankin valokuva ja kuva

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

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

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

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

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

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

Handsome african american speaker leaning on podium tribune during seminar in conference hall

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

Back view of participant raising hand, lecturer sitting on stage in conference hall

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

High angle view of lecturer looking at multiethnic audience during seminar in conference hall, participant raising hand

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

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

Back view of journalists with raised hands near happy bearded speaker

Happy speaker pointing with hand at journalist with raised hand

Cropped image of african american lecturer standing at podium tribune with microphone in conference hall

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

Back view of businesspeople sitting on chairs during training in hub

Back view of businesspeople sitting on chairs at training in hub