After four years in the firm's offices in Dubai and Qatar and more than a year in Mongolia and China, following five years in the firm’s New York office Stewart Diana is now based in the firm's Baltimore office.

In the Middle East and Asia, Stewart's practice concentrated on representing government entities and international companies developing infrastructure and making investments in a variety of business sectors. In addition, he was Office Managing Partner for Qatar and in that capacity was responsible for compliance with government regulatory requirements. In Mongolia, Stewart was the partner responsible for coordinating work among DLA Piper's associated law firm in Ulaanbaatar and its other offices around the world.

Stewart has more than 25 years of experience representing private developers, public authorities, local governments and equity investors in all aspects of infrastructure project structuring, development and financing. In those engagements, he has negotiated and implemented the complete range of project and financing documents, including concession agreements, licensing agreements, construction contracts, operating agreements, asset and stock purchase agreements, joint venture agreements, and loan agreements, trust indentures and other financing documents. He has worked on numerous urban development projects and other social infrastructure, port projects, highway projects, water and wastewater facilities, biomass energy projects, electric power plants, and industrial process plants, including lease financings, leveraged acquisitions and greenfield development projects and with a strong emphasis on public-private partnership transactions.