Lecturer gesticulates and speaking to audience at seminar
A man talking on the stage giving a lecture to the audience holding a microphone
lecturer tells and shows presentation or lecture on the scene to packed house of listeners
Man at business seminar speaking with lecturer and audience - meeting concept
lecturer tells presentation on the scene to packed house of listeners
lecturer tells presentation on the scene to packed house of listeners
Conference - lecturer tells presentation on the scene for crowd of listeners
Lecturer shows presentation on screen for listeners at agricultural seminar
lecturer shows presentation or lecture on the scene to packed house of listeners, the crowd not in focus
Full shot of young Caucasian male business coach with clipboard sitting on stage at IT seminar or corporate lecture, in front of presentation on screen, and talking to unrecognizable audience
Lecturer tells and shows presentation on screen for listeners at agricultural speech