Harb assumed his current position in 2022. The Jordan-based company has three pharmaceutical plants in Algeria and is currently developing a new manufacturing facility in Saudi Arabia. In H1 2026, it had $209 million in assets and made $51 million in revenues. In February 2026, it signed a cooperation agreement with the University of Jordan’s Faculty of Pharmacy. Harb chairs the Jordanian Association of Pharmaceutical Manufacturers and sits on the boards of Nutridar and Dar Al Dawa for Veterinary and Agricultural Industries.