Geïrriteerde docent met middelste vingers terwijl hij op podium tribune in de conferentiezaal staat - Stockfoto’s en -afbeeldingen

Happy, attractive lecturer showing thumb up while standing on podium tribune

Panoramic shot of irritated lecturer showing middle fingers while standing on podium tribune

Attractive, confident lecturer pointing with hand while standing on podium tribune

Panoramic shot of beautiful, serious lecturer pointing with hand while standing on podium tribune

Frightened lecturer suffering from glossophobia gesturing with hands while standing on podium tribune

Dissatisfied lecturer standing on podium tribune in conference hall and showing middle finger

Confident lecturer gesturing while speaking into microphone on podium tribune

Attractive businesswoman standing and talking during conference in conference hall

Attractive businesswoman holding microphone and talking during conference in conference hall

Attractive businesswoman standing and talking during conference in conference hall

Happy emotional businesswoman shouting with megaphone, isolated on white

Happy businesswoman in suit showing thumbs up isolated on white

Cheerful young pretty woman speaking in loudspeaker with hand in air isolated on grey

Attractive businesswoman standing and smiling during conference in conference hall

Back view of buyers raising hands to auctioneer during auction