Jan Koum | Vibepedia

Jan Koum is a Ukrainian-born American entrepreneur best known as the co-founder of WhatsApp. His journey from a humble immigrant background to becoming a billionaire, ranked among the wealthiest individuals globally, is a testament to his vision and the profound impact of simple, effective communication tools. Despite stepping away from Meta in 2018, his legacy is cemented in the billions of daily messages processed by the platform he helped create, fundamentally altering how the world connects.