Darioush joined Grimshaw in 2018 and has been based in the Middle East since 2007. With over 30 years of professional experience, he brings a rigorous and detail-oriented approach, with particular expertise in managing the technical, financial, and contractual dimensions of projects at a senior level. His deep knowledge of local conditions and regulatory frameworks across the Gulf region has been instrumental in leading large, multidisciplinary teams - guiding complex stakeholder processes while ensuring the design vision is maintained from concept through to delivery.

At Grimshaw, Darioush has key responsibilities leading client services, managing international contracts and commercials and leading Grimshaw’s presence in Oman. As Project Director, he has led teams on major projects such as the Dubai International Financial Centre Masterplan and Phase 1A, the Muttrah Waterfront development in Muscat, and the Khor Ruri Development in Salalah.

Prior to joining Grimshaw, Darioush worked extensively across the Middle East, Singapore, and Australia on projects including Muscat and Salalah International Airports in Oman, Brunei International Airport, Marasi Al Bahrain, the Shangri-La Hotel, Capital Plaza, and the Al Bandar Redevelopment in Abu Dhabi, where he held senior leadership roles, including Operations Manager at KEO, Director of Marine and Aviation at Dorsch, and Project Director at Hill International.

Darioush is a registered member of the RIBA and a qualified architect in Singapore.