businesspeople congratulating presentation

20 20s 25 30 achievement adult american board brunette business businessman businesspeople businesswoman casual caucasian celebrate celebrating celebration chart cheerful clothing collar color conference congratulation congratulations course coworkers demo demonstration diagram drawing education european face female five good happiness happy high horizontal indoor indoors lifestyle male markerboard men mood office people person photo presentation seminar shirt smile smiling standing stockphoto success successful team teeth tooth training twenties two white whiteboard window windows women work worker workplace workshop years young