Darwazah has been the executive chairman of Hikma since February 2018, having previously served as chairman since 2014 and CEO since 2007.
He also serves as director of Dash Ventures, an Amman-based venture capital firm which looks for investments throughout the MENA region. He also serves as a trustree on the board of several universities around the world, including the Jordan University of Science and Technoloy and the American Univeristy of Beirut.