A young professor explaining and demonstrating on a green screen...
Conference speaker making presentation at office close up. Coach leader explain project strategy educating team group at boardroom meeting
Business Leader Giving Presentation at Office
Medical students during the lecture or conference speaker listened to
A boy blogger works at a computer. The text of the child surf on the Internet is typed. Prohibited sites, naive child on the Internet
A young professor explaining and demonstrating on a green screen, featuring another professor
Business conference speech. Female conference speaker isolated on grey background.
Portrait of positive asian teen girl student with black hair smiles to camera and showing thumb up sign in library next to book rack.
A young professor giving a lecture, isolated on a green screen...
Businessman in office talking about sales contract advantages and issues
Healthcare conference speaker in formal suit standing in front of projection screen with graph, holding digital tablet and answering questions of audience after presentation
Front view of professional leader in glasses, standing in modern office, with diverse team working successfully at briefing table
Young Businessman Giving a Presentation - Green Screen Isolated
Smiling African American female recording vlog speaking webcam sending air kiss
Office employee walking hallway closeup. Confident executive go client meeting in contemporary business center. investor marketing manager leaving work in evening. Male professional concept
Close up shot of hand of medical conference speaker pointing at graph on projection screen with pen during presentation
Businesswoman leading conference presentation on project strategy for diverse team at office seminar
Medical conference speaker standing in front of projection screen with line graph, holding digital tablet and giving presentation, then answering question from audience
