[3][4] Born in Saudi Arabia, but at the age of two he moved to Lebanon, the birth place of his father.

[6] Following the path of his three half-brothers Bahaa, Saad and Houssam who were all college educated in the US, Hariri moved to the United States to study at Georgetown University and graduated in 1999 with a bachelor's degree in computer science.

While at Saudi Oger, Hariri oversaw some of the biggest projects the company undertook including King Abdullah University for Science and Technology (KAUST), Princess Noura University in Riyadh[12] and the Ritz Carlton in Riyadh and other major public projects.

[3] In late February 2018, Hariri's social media company, Vero, saw a marked increase in users and scrutiny.

[21][22][8] In February 2018, a Twitter user criticized VERO for employing Russian developers in its team and questioned whether the app could be trusted on that basis.