Hombre de negocios maduro de pie junto a una pizarra dando una presentación a los colegas de trabajo en una sala de reuniones de una oficina moderna - Foto e imágenes de stock

Mature manager standing at a whiteboard giving a business presentation to colleagues in a meeting room of a modern office

Education, high school, university, teaching and people concept - group of students and teacher with marker standing at white board at lecture

Focused young businesswoman giving a whiteboard presentation to work colleagues seated at a table while standing by a chalkboard in a modern office

Mature businessman giving presentation to colleagues in the meeting room of a modern office

Smiling young businesswoman giving a whiteboard presentation to coworkers while standing in a meeting room in a modern office

Smiling manager standing by a whiteboard explaining business concepts during a presentation to colleagues in a meeting room of a modern office

Interesting lesson. Smart talented teacher standing in front of his student while explaining new material to her

Young businessman standing in a boardroom giving a presentation on a whiteboard to two work colleagues

Smiling young African businessman giving a presentation to colleagues while standing in front of a chalkboard in a modern office

Focused young African businessman taking questions from colleagues while giving a presentation on a chalkboard in a modern office

Young businessman standing at a whiteboard giving a presentation to colleagues in the meeting room of a modern office

Smiling young man texting on his cellphone while sitting with other job applicants in an office waiting for his interview

Focused young African businessman giving a presentation to coworkers while standing in front of a chalkboard in a modern office

Young businessman standing in a boardroom giving a presentation on a whiteboard to two work colleagues

Two young businessmen in suits discussing documents together while sitting at a table in a modern boardroom