businessman pointing while speaking through microphone during seminar in convention center

20 24 30 34 35 39 40 44 45 49 adult asking attending audience away brightly business businessman businesswoman caucasian center collaboration collar colleague color concentration conference confidence convention corporate day dressed eastern ethnic ethnicity event expertise explaining focus foreground front gesturing global group holding horizontal image indoors large leadership listening lit looking mature meeting men microphone mid middle multi occupation of office on people person photography pointing presentation professional public seminar sitting speaker speaking standing suit view well white women worker years young