Vista posterior de los empresarios sentados en sillas durante la formación en el centro - Foto e imagen de stock

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

Selective focus of smiling african american speaker pointing on screen 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

Back view of listener raising hand during seminar in conference hall

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

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

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

Handsome african american speaker talking in front of audience conference hall

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