Altoparlante barbuto in bicchieri in piedi vicino a microfoni e muro di mattoni - Foto e immagini stock

Happy bearded speaker in glasses talking near microphones and brick wall

Handsome businessman in glasses standing with hand in pocket in office

Handsome auctioneer in suit talking with microphone during auction

Mature handsome businessman with stylish bearded talking to webcam standing in an office environment

Portrait of concentrated mature male talking story while gesticulating hands in room. Focused retire worker telling concept

Handsome pensive mature businessman in formal suit is looking at camera while sitting on chair, on gray background

Grey hair professor sitting on table in lecture room and holding book

Portrait of handsome mature businessman in suit and eyeglasses looking at camera in office

Smiling grey hair professor standing in lecture room and looking at camera

Grey hair professor looking at blackboard

Senior lecturer holding book and showing one finger up

Senior lecturer holding book and looking away

Senior lecturer holding book and looking away

High angle view of serious mature businessman sitting on office table and looking at camera

Smiling senior lecturer standing in classroom and looking at camera