Qualifying in 2003 Seif worked in the Middle East, Asia and Europe on several high-profile projects. Joining the practice in 2010 Seif worked on notable projects such as Haramain High Speed Rail Stations, Queen Alia International Airport, Slussen masterplan, Stockholm. In 2016 he was Project Architect for the competition winning design for the Jabal Omar development in Makkah, KSA. Born in London and growing up across Europe, Africa and the Middle East, Seif is a keen traveller with an interest in discovering cultures and places.