Thoughtful man in glasses at office table with netbook. Businessman stroking beard, deep in thought about work.
Thoughtful man in glasses working at a comfortable office. Handsome businessman contemplating work.
Freelancer Woman With Laptop In Cafe, Thinking About Project, Solving Problems, Portrait Of Lady
Woman solving computer problem outdoors
Architect, Engineer Thinking About the Problems in the Construction
Thoughtful Businessman Working in a Comfortable Office
Thoughtful man in glasses working in a comfortable office, typing on a netbook
Worried man drinking alcohol at night and thinking about his problems
Thoughtful creative designer thinking about new project. Brand manager scratching head with pencil and think solution to working problem. Marketer brainstorming ideas at night
Portrait of a thoughtful professional contemplating startup ideas in a creative office
Portrait of smart geek student girl dreaming about love and imagening while studying online with internet teacher, solving problem at home.
Closeup girl hand solving math problems in notebook indoors. Portrait of thoughtful child doing homework next to computer at table. Smart student studying at home.