Close-up portrait of student using tablet in library and reading e-books. Bookcase in background.
A young person demonstrating on a green screen...
Conference speaker making presentation at office close up. Coach leader explain project strategy educating team group at boardroom meeting
Medical students during the lecture or conference speaker listened to
Business Leader Giving Presentation at Office
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
Businesswoman leading conference presentation on project strategy for diverse team at office seminar
Confident manager going office hallway closeup. Successful lawyer executive walk to client investor meeting in contemporary business center. thoughtful freelancer employee after job interview
A young professor giving a lecture, isolated on a green screen...
Businessman in office talking about sales contract advantages and issues
Young Businessman Giving a Presentation - Green Screen Isolated
Front view of professional leader in glasses, standing in modern office, with diverse team working successfully at briefing table
A bold businessman comes into focus and shows something with his pen - isolated ona green chroma key...
Healthcare conference speaker in formal suit standing in front of projection screen with graph, holding digital tablet and answering questions of audience after presentation
Smiling African American female recording vlog speaking webcam sending air kiss
Business conference speech. Female conference speaker isolated on grey background.
Close up shot of hand of medical conference speaker pointing at graph on projection screen with pen during presentation
Medical conference speaker standing in front of projection screen with line graph, holding digital tablet and giving presentation, then answering question from audience
A young professor explaining and demonstrating on a green screen...
