Kluger nachdenklicher Mann mit Brille, der mit der Hand am Kinn denkt - Stockfoto & -bild

Pensive man with hand on chin, he is staring at camera with skeptical expression

Pensive man with hand on chin, he is staring at camera with skeptical expression

Pensive businessman thinking with hand on chin, problem solving and decisions concept

Man wearing glasses and t-shirt, looking away

Business man with glasses emotions blue background. High quality photo

Young confident businessman smiling at camera, he is wearing shirt and tie

Young happy man in suit and glasses rubbing chin and daydreaming looking away on gray.

Handsome man in glasses, portrait

Young man thinking with finger on his chin on dark background.

Young confident businessman looking at camera and touching his chin.

Portrait of a handsome mature business man thinking

Young confident businessman looking at camera and touching his chin.

Confident young businessman looking away and thinking.

Young confident businessman looking at camera and touching his chin.

Pensive young businessman thinking and planning strategies with hand on chin

Pensive young businessman thinking and planning strategies with hand on chin

Mathematician reviewing math formulas on the chalkboard, he is thinking with hand on chin

Young attractive businessman thinking with pensive expression.