businessman gesturing while asking question during seminar in convention center

20 24 30 34 35 39 40 44 adult arms asking attending audience away business businessman businesswoman card caucasian center collaboration collar colleague color concentration conference confidence convention corporate day dressed ethnicity event expertise eyeglasses focus front gesturing global group headshot horizontal identity image indoors lanyard length listening looking mature medium meeting men mid occupation of office people person photography pointing presentation professional quarter raised selective seminar sitting standing suit three view well white women worker years young