Darwazah first joined Hikma Pharmaceuticals in 1981 and was appointed executive chairman in 2014. In 2023, Hikma generated $2.9 billion in revenues and had net assets of $2.2 billion. It has 29 plants in 10 countries and sells its products across North America, Europe, and MENA. In May 2024, Hikma established Hikma Spain, and in June 2024, it opened a commercial office in the U.K. Darwazah was Jordan’s Minister of Health from 2003 to 2006. He served as Hikma’s CEO from June 2022 to August 2023 and from 2007 to 2018. He is also chairman of Royal Jordanian Airlines, and Dead Sea Touristic & Real Estate Investments, vice chairman of Capital Bank in Jordan and a board member at INSEAD and DASH Ventures.