Nadšený podnikatel mluví na mobilním telefonu v kanceláři, banner - Stock fotografie a obrázky

Young business man very happy and excited, winner expression celebrating victory screaming with big smile and raised hands

Teacher man using glasses stressful, terrified in panic, shouting exasperated and frustrated. Unpleasant gesture. Annoying work drives me crazy

Contented male coach with glasses banging his fist in palm in front of mobile phone camera. Leadership growth courses concept