A trustee since 2011, Darwazah is the CEO and chairman of Hikma Pharmaceuticals PLC, a leading multinational pharmaceutical group listed on the London Stock Exchange. He is chairman of the board of the Queen Rania Foundation, chairman of Royal Jordanian Airlines, and a board member of the Central Bank of Jordan. From 2003-06, Darwazah joined the Government of Jordan as minister of health. He co-founded the Samih Darwazah Center for Innovation Management and Entrepreneurship at AUB, and founded the Health Care Accreditation Council, a not-for-profit organization that accredits healthcare providers and improves healthcare standards across the region. He holds a degree in industrial engineering from Purdue University in the United States and an MBA from INSEAD.