Mrs Roa Diaz has worked on various master planning and conceptual designs of retail and mixed-used projects prior to heading Roa Diaz Construction Company. Also working for as a Project supervisor zhela civil construction company our partner company. Since heading the firm in 2000, she has been involved on a wide range of project types requiring restoration, rehabilitation and expansion. Over the years, she has acquired significant experience working on performing arts venues and has produced historic surveys, concept studies, designs and construction documents for it and in addition, been involved in the construction administration phase. She works in concert with the Senior Associates and has gained strengths in project management, designing, contract management, and producing technical documentation for small and large-scale projects.

Mr. Mario Haller has over 10 years’ experience working in the construction industry. Hans joined Roa Diaz in 2002 and over the years held positions such as Site Technician, Site Manager and Contracts Manager. In 2007 Hans was appointed Project Supervisor. When he is not working Hans loves to run marathons and has completed the Dublin 2012 marathon in sub 3 hours as well as Limerick 2013 and Boston 2014.

Mr. Ella Harper brings an international design background to her work at Roa Diaz, where prior to joining the firm in 2002 she was employed in South Africa working on a wide range of community planning, development and educational projects. At Roa Diaz, she primarily focuses on the planning and design of performing arts venues as well as rehabilitation and adaptive re-use projects, typically serving as Project Manager. She has developed strengths in the management of personnel and consultants, the coordination of surveying and documentation of existing building conditions, and in the understanding, design, and production of technical documents for complex rehabilitation and new construction projects.

Working with the leading promoters and producers of Broadway theatre, Ms Pearson has developed a special expertise in the preservation and rehabilitation of historic theatres and performing arts centers. The theatre projects address performance areas, patron support, back of house support, and operational considerations and have been concerned with the restoration of decorative finishes, adaptation and incorporation of modern technology, stage house design to accommodate modern theatrical product, digital cinema integration, and navigation of the preservation process including the qualification of investment tax credits.