Jan Koum Quotes
I want to do one thing and do it well.
Citations
Olson, Parmy. "Exclusive: The Rags-To-Riches Tale Of How Jan Koum Built WhatsApp Into Facebook's New $19 Billion Baby." Forbes, 19 Feb. 2014.
Related Quotes
Jan Koum is a Ukrainian American billionaire businessman and computer programmer. He is the co-founder and was the CEO of WhatsApp, a mobile messaging application which was acquired by Facebook Inc. in February 2014 for US$19.3 billion.